19878460952

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1093}}^1\times {\mathrm{4111}}^1$

素因数の和:5296

約数の個数: 64

約数和(自身を含む): 43185868800

約数和(自身を除く): 23307407848

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 553, 632, 1093, 1106, 2186, 2212, 4111, 4372, 4424, 7651, 8222, 8744, 15302, 16444, 28777, 30604, 32888, 57554, 61208, 86347, 115108, 172694, 230216, 324769, 345388, 604429, 649538, 690776, 1208858, 1299076, 2273383, 2417716, 2598152, 4493323, 4546766, 4835432, 8986646, 9093532, 17973292, 18187064, 31453261, 35946584, 62906522, 125813044, 251626088, 354972517, 709945034, 1419890068, 2484807619, 2839780136, 4969615238, 9939230476, 19878460952]

約数ペア:

[(1, 19878460952), (2, 9939230476), (4, 4969615238), (7, 2839780136), (8, 2484807619), (14, 1419890068), (28, 709945034), (56, 354972517), (79, 251626088), (158, 125813044), (316, 62906522), (553, 35946584), (632, 31453261), (1093, 18187064), (1106, 17973292), (2186, 9093532), (2212, 8986646), (4111, 4835432), (4372, 4546766), (4424, 4493323), (7651, 2598152), (8222, 2417716), (8744, 2273383), (15302, 1299076), (16444, 1208858), (28777, 690776), (30604, 649538), (32888, 604429), (57554, 345388), (61208, 324769), (86347, 230216), (115108, 172694)]