19617346840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{173851}}^1$

素因数の和:173913

約数の個数: 128

約数和(自身を含む): 56077701120

約数和(自身を除く): 36460354280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1612, 1736, 1820, 2015, 2170, 2821, 3224, 3640, 4030, 4340, 5642, 8060, 8680, 11284, 14105, 16120, 22568, 28210, 56420, 112840, 173851, 347702, 695404, 869255, 1216957, 1390808, 1738510, 2260063, 2433914, 3477020, 4520126, 4867828, 5389381, 6084785, 6954040, 9040252, 9735656, 10778762, 11300315, 12169570, 15820441, 18080504, 21557524, 22600630, 24339140, 26946905, 31640882, 37725667, 43115048, 45201260, 48678280, 53893810, 63281764, 70061953, 75451334, 79102205, 90402520, 107787620, 126563528, 140123906, 150902668, 158204410, 188628335, 215575240, 280247812, 301805336, 316408820, 350309765, 377256670, 490433671, 560495624, 632817640, 700619530, 754513340, 980867342, 1401239060, 1509026680, 1961734684, 2452168355, 2802478120, 3923469368, 4904336710, 9808673420, 19617346840]

約数ペア:

[(1, 19617346840), (2, 9808673420), (4, 4904336710), (5, 3923469368), (7, 2802478120), (8, 2452168355), (10, 1961734684), (13, 1509026680), (14, 1401239060), (20, 980867342), (26, 754513340), (28, 700619530), (31, 632817640), (35, 560495624), (40, 490433671), (52, 377256670), (56, 350309765), (62, 316408820), (65, 301805336), (70, 280247812), (91, 215575240), (104, 188628335), (124, 158204410), (130, 150902668), (140, 140123906), (155, 126563528), (182, 107787620), (217, 90402520), (248, 79102205), (260, 75451334), (280, 70061953), (310, 63281764), (364, 53893810), (403, 48678280), (434, 45201260), (455, 43115048), (520, 37725667), (620, 31640882), (728, 26946905), (806, 24339140), (868, 22600630), (910, 21557524), (1085, 18080504), (1240, 15820441), (1612, 12169570), (1736, 11300315), (1820, 10778762), (2015, 9735656), (2170, 9040252), (2821, 6954040), (3224, 6084785), (3640, 5389381), (4030, 4867828), (4340, 4520126), (5642, 3477020), (8060, 2433914), (8680, 2260063), (11284, 1738510), (14105, 1390808), (16120, 1216957), (22568, 869255), (28210, 695404), (56420, 347702), (112840, 173851)]