18755240

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{1367}}^1$

素因数の和:1399

約数の個数: 64

約数和(自身を含む): 49248000

約数和(自身を除く): 30492760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1367, 1372, 1715, 1960, 2734, 2744, 3430, 5468, 6835, 6860, 9569, 10936, 13670, 13720, 19138, 27340, 38276, 47845, 54680, 66983, 76552, 95690, 133966, 191380, 267932, 334915, 382760, 468881, 535864, 669830, 937762, 1339660, 1875524, 2344405, 2679320, 3751048, 4688810, 9377620, 18755240]

約数ペア:

[(1, 18755240), (2, 9377620), (4, 4688810), (5, 3751048), (7, 2679320), (8, 2344405), (10, 1875524), (14, 1339660), (20, 937762), (28, 669830), (35, 535864), (40, 468881), (49, 382760), (56, 334915), (70, 267932), (98, 191380), (140, 133966), (196, 95690), (245, 76552), (280, 66983), (343, 54680), (392, 47845), (490, 38276), (686, 27340), (980, 19138), (1367, 13720), (1372, 13670), (1715, 10936), (1960, 9569), (2734, 6860), (2744, 6835), (3430, 5468)]