18641688

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{401}}^1$

素因数の和:572

約数の個数: 64

約数和(自身を含む): 50652000

約数和(自身を除く): 32010312

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 149, 156, 298, 312, 401, 447, 596, 802, 894, 1192, 1203, 1604, 1788, 1937, 2406, 3208, 3576, 3874, 4812, 5213, 5811, 7748, 9624, 10426, 11622, 15496, 15639, 20852, 23244, 31278, 41704, 46488, 59749, 62556, 119498, 125112, 179247, 238996, 358494, 477992, 716988, 776737, 1433976, 1553474, 2330211, 3106948, 4660422, 6213896, 9320844, 18641688]

約数ペア:

[(1, 18641688), (2, 9320844), (3, 6213896), (4, 4660422), (6, 3106948), (8, 2330211), (12, 1553474), (13, 1433976), (24, 776737), (26, 716988), (39, 477992), (52, 358494), (78, 238996), (104, 179247), (149, 125112), (156, 119498), (298, 62556), (312, 59749), (401, 46488), (447, 41704), (596, 31278), (802, 23244), (894, 20852), (1192, 15639), (1203, 15496), (1604, 11622), (1788, 10426), (1937, 9624), (2406, 7748), (3208, 5811), (3576, 5213), (3874, 4812)]