19768892

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:171

約数の個数: 96

約数和(自身を含む): 45722880

約数和(自身を除く): 25953988

約数列:

[1, 2, 4, 11, 13, 17, 19, 22, 26, 34, 38, 44, 52, 68, 76, 107, 143, 187, 209, 214, 221, 247, 286, 323, 374, 418, 428, 442, 494, 572, 646, 748, 836, 884, 988, 1177, 1292, 1391, 1819, 2033, 2354, 2431, 2717, 2782, 3553, 3638, 4066, 4199, 4708, 4862, 5434, 5564, 7106, 7276, 8132, 8398, 9724, 10868, 14212, 15301, 16796, 20009, 22363, 23647, 26429, 30602, 34561, 40018, 44726, 46189, 47294, 52858, 61204, 69122, 80036, 89452, 92378, 94588, 105716, 138244, 184756, 260117, 290719, 380171, 449293, 520234, 581438, 760342, 898586, 1040468, 1162876, 1520684, 1797172, 4942223, 9884446, 19768892]

約数ペア:

[(1, 19768892), (2, 9884446), (4, 4942223), (11, 1797172), (13, 1520684), (17, 1162876), (19, 1040468), (22, 898586), (26, 760342), (34, 581438), (38, 520234), (44, 449293), (52, 380171), (68, 290719), (76, 260117), (107, 184756), (143, 138244), (187, 105716), (209, 94588), (214, 92378), (221, 89452), (247, 80036), (286, 69122), (323, 61204), (374, 52858), (418, 47294), (428, 46189), (442, 44726), (494, 40018), (572, 34561), (646, 30602), (748, 26429), (836, 23647), (884, 22363), (988, 20009), (1177, 16796), (1292, 15301), (1391, 14212), (1819, 10868), (2033, 9724), (2354, 8398), (2431, 8132), (2717, 7276), (2782, 7106), (3553, 5564), (3638, 5434), (4066, 4862), (4199, 4708)]