1999474956

素因数分解:

$2^2\times 3^6\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{239}}^1$

素因数の和:431

約数の個数: 168

約数和(自身を含む): 5582169600

約数和(自身を除く): 3582694644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 151, 162, 171, 228, 239, 243, 302, 324, 342, 453, 478, 486, 513, 604, 684, 717, 729, 906, 956, 972, 1026, 1359, 1434, 1458, 1539, 1812, 2052, 2151, 2718, 2868, 2869, 2916, 3078, 4077, 4302, 4541, 4617, 5436, 5738, 6156, 6453, 8154, 8604, 8607, 9082, 9234, 11476, 12231, 12906, 13623, 13851, 16308, 17214, 18164, 18468, 19359, 24462, 25812, 25821, 27246, 27702, 34428, 36089, 36693, 38718, 40869, 48924, 51642, 54492, 55404, 58077, 72178, 73386, 77436, 77463, 81738, 103284, 108267, 110079, 116154, 122607, 144356, 146772, 154926, 163476, 174231, 216534, 220158, 232308, 232389, 245214, 309852, 324801, 348462, 367821, 433068, 440316, 464778, 490428, 649602, 685691, 696924, 697167, 735642, 929556, 974403, 1103463, 1299204, 1371382, 1394334, 1471284, 1948806, 2057073, 2091501, 2206926, 2742764, 2788668, 2923209, 3310389, 3897612, 4114146, 4183002, 4413852, 5846418, 6171219, 6620778, 8228292, 8366004, 8769627, 11692836, 12342438, 13241556, 17539254, 18513657, 24684876, 26308881, 35078508, 37027314, 52617762, 55540971, 74054628, 105235524, 111081942, 166622913, 222163884, 333245826, 499868739, 666491652, 999737478, 1999474956]

約数ペア:

[(1, 1999474956), (2, 999737478), (3, 666491652), (4, 499868739), (6, 333245826), (9, 222163884), (12, 166622913), (18, 111081942), (19, 105235524), (27, 74054628), (36, 55540971), (38, 52617762), (54, 37027314), (57, 35078508), (76, 26308881), (81, 24684876), (108, 18513657), (114, 17539254), (151, 13241556), (162, 12342438), (171, 11692836), (228, 8769627), (239, 8366004), (243, 8228292), (302, 6620778), (324, 6171219), (342, 5846418), (453, 4413852), (478, 4183002), (486, 4114146), (513, 3897612), (604, 3310389), (684, 2923209), (717, 2788668), (729, 2742764), (906, 2206926), (956, 2091501), (972, 2057073), (1026, 1948806), (1359, 1471284), (1434, 1394334), (1458, 1371382), (1539, 1299204), (1812, 1103463), (2052, 974403), (2151, 929556), (2718, 735642), (2868, 697167), (2869, 696924), (2916, 685691), (3078, 649602), (4077, 490428), (4302, 464778), (4541, 440316), (4617, 433068), (5436, 367821), (5738, 348462), (6156, 324801), (6453, 309852), (8154, 245214), (8604, 232389), (8607, 232308), (9082, 220158), (9234, 216534), (11476, 174231), (12231, 163476), (12906, 154926), (13623, 146772), (13851, 144356), (16308, 122607), (17214, 116154), (18164, 110079), (18468, 108267), (19359, 103284), (24462, 81738), (25812, 77463), (25821, 77436), (27246, 73386), (27702, 72178), (34428, 58077), (36089, 55404), (36693, 54492), (38718, 51642), (40869, 48924)]