20171915998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{823}}^1\times {\mathrm{2411}}^1$

素因数の和:3289

約数の個数: 64

約数和(自身を含む): 36060982272

約数和(自身を除く): 15889066274

約数列:

[1, 2, 13, 17, 23, 26, 34, 46, 221, 299, 391, 442, 598, 782, 823, 1646, 2411, 4822, 5083, 10166, 10699, 13991, 18929, 21398, 27982, 31343, 37858, 40987, 55453, 62686, 81974, 110906, 181883, 246077, 321793, 363766, 492154, 532831, 643586, 720889, 942701, 1065662, 1441778, 1885402, 1984253, 3968506, 4183309, 8366618, 12255113, 24510226, 25795289, 33732301, 45637819, 51590578, 67464602, 91275638, 438519913, 593291647, 775842923, 877039826, 1186583294, 1551685846, 10085957999, 20171915998]

約数ペア:

[(1, 20171915998), (2, 10085957999), (13, 1551685846), (17, 1186583294), (23, 877039826), (26, 775842923), (34, 593291647), (46, 438519913), (221, 91275638), (299, 67464602), (391, 51590578), (442, 45637819), (598, 33732301), (782, 25795289), (823, 24510226), (1646, 12255113), (2411, 8366618), (4822, 4183309), (5083, 3968506), (10166, 1984253), (10699, 1885402), (13991, 1441778), (18929, 1065662), (21398, 942701), (27982, 720889), (31343, 643586), (37858, 532831), (40987, 492154), (55453, 363766), (62686, 321793), (81974, 246077), (110906, 181883)]