18923043924

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1\times {\mathrm{419}}^1$

素因数の和:878

約数の個数: 144

約数和(自身を含む): 50083488000

約数和(自身を除く): 31160444076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 181, 239, 261, 348, 362, 419, 478, 522, 543, 717, 724, 838, 956, 1044, 1086, 1257, 1434, 1629, 1676, 2151, 2172, 2514, 2868, 3258, 3771, 4302, 5028, 5249, 6516, 6931, 7542, 8604, 10498, 12151, 13862, 15084, 15747, 20793, 20996, 24302, 27724, 31494, 36453, 41586, 43259, 47241, 48604, 62379, 62988, 72906, 75839, 83172, 86518, 94482, 100141, 109359, 124758, 129777, 145812, 151678, 173036, 188964, 200282, 218718, 227517, 249516, 259554, 300423, 303356, 389331, 400564, 437436, 455034, 519108, 600846, 682551, 778662, 901269, 910068, 1201692, 1254511, 1365102, 1557324, 1802538, 2199331, 2509022, 2730204, 2904089, 3605076, 3763533, 4398662, 5018044, 5808178, 6597993, 7527066, 8712267, 8797324, 11290599, 11616356, 13195986, 15054132, 17424534, 18125521, 19793979, 22581198, 26136801, 26391972, 34849068, 36251042, 39587958, 45162396, 52273602, 54376563, 72502084, 79175916, 104547204, 108753126, 163129689, 217506252, 326259378, 525640109, 652518756, 1051280218, 1576920327, 2102560436, 3153840654, 4730760981, 6307681308, 9461521962, 18923043924]

約数ペア:

[(1, 18923043924), (2, 9461521962), (3, 6307681308), (4, 4730760981), (6, 3153840654), (9, 2102560436), (12, 1576920327), (18, 1051280218), (29, 652518756), (36, 525640109), (58, 326259378), (87, 217506252), (116, 163129689), (174, 108753126), (181, 104547204), (239, 79175916), (261, 72502084), (348, 54376563), (362, 52273602), (419, 45162396), (478, 39587958), (522, 36251042), (543, 34849068), (717, 26391972), (724, 26136801), (838, 22581198), (956, 19793979), (1044, 18125521), (1086, 17424534), (1257, 15054132), (1434, 13195986), (1629, 11616356), (1676, 11290599), (2151, 8797324), (2172, 8712267), (2514, 7527066), (2868, 6597993), (3258, 5808178), (3771, 5018044), (4302, 4398662), (5028, 3763533), (5249, 3605076), (6516, 2904089), (6931, 2730204), (7542, 2509022), (8604, 2199331), (10498, 1802538), (12151, 1557324), (13862, 1365102), (15084, 1254511), (15747, 1201692), (20793, 910068), (20996, 901269), (24302, 778662), (27724, 682551), (31494, 600846), (36453, 519108), (41586, 455034), (43259, 437436), (47241, 400564), (48604, 389331), (62379, 303356), (62988, 300423), (72906, 259554), (75839, 249516), (83172, 227517), (86518, 218718), (94482, 200282), (100141, 188964), (109359, 173036), (124758, 151678), (129777, 145812)]