1999011846

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{4079}}^1$

素因数の和:4261

約数の個数: 64

約数和(自身を含む): 4419717120

約数和(自身を除く): 2420705274

約数列:

[1, 2, 3, 6, 13, 26, 39, 61, 78, 103, 122, 183, 206, 309, 366, 618, 793, 1339, 1586, 2379, 2678, 4017, 4079, 4758, 6283, 8034, 8158, 12237, 12566, 18849, 24474, 37698, 53027, 81679, 106054, 159081, 163358, 245037, 248819, 318162, 420137, 490074, 497638, 746457, 840274, 1260411, 1492914, 2520822, 3234647, 5461781, 6469294, 9703941, 10923562, 16385343, 19407882, 25628357, 32770686, 51256714, 76885071, 153770142, 333168641, 666337282, 999505923, 1999011846]

約数ペア:

[(1, 1999011846), (2, 999505923), (3, 666337282), (6, 333168641), (13, 153770142), (26, 76885071), (39, 51256714), (61, 32770686), (78, 25628357), (103, 19407882), (122, 16385343), (183, 10923562), (206, 9703941), (309, 6469294), (366, 5461781), (618, 3234647), (793, 2520822), (1339, 1492914), (1586, 1260411), (2379, 840274), (2678, 746457), (4017, 497638), (4079, 490074), (4758, 420137), (6283, 318162), (8034, 248819), (8158, 245037), (12237, 163358), (12566, 159081), (18849, 106054), (24474, 81679), (37698, 53027)]