18635864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 40219200

約数和(自身を除く): 21583336

約数列:

[1, 2, 4, 8, 13, 26, 29, 37, 52, 58, 74, 104, 116, 148, 167, 232, 296, 334, 377, 481, 668, 754, 962, 1073, 1336, 1508, 1924, 2146, 2171, 3016, 3848, 4292, 4342, 4843, 6179, 8584, 8684, 9686, 12358, 13949, 17368, 19372, 24716, 27898, 38744, 49432, 55796, 62959, 80327, 111592, 125918, 160654, 179191, 251836, 321308, 358382, 503672, 642616, 716764, 1433528, 2329483, 4658966, 9317932, 18635864]

約数ペア:

[(1, 18635864), (2, 9317932), (4, 4658966), (8, 2329483), (13, 1433528), (26, 716764), (29, 642616), (37, 503672), (52, 358382), (58, 321308), (74, 251836), (104, 179191), (116, 160654), (148, 125918), (167, 111592), (232, 80327), (296, 62959), (334, 55796), (377, 49432), (481, 38744), (668, 27898), (754, 24716), (962, 19372), (1073, 17368), (1336, 13949), (1508, 12358), (1924, 9686), (2146, 8684), (2171, 8584), (3016, 6179), (3848, 4843), (4292, 4342)]