19143280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1$

素因数の和:338

約数の個数: 80

約数和(自身を含む): 48746880

約数和(自身を除く): 29603600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 79, 80, 104, 130, 158, 208, 233, 260, 316, 395, 466, 520, 632, 790, 932, 1027, 1040, 1165, 1264, 1580, 1864, 2054, 2330, 3029, 3160, 3728, 4108, 4660, 5135, 6058, 6320, 8216, 9320, 10270, 12116, 15145, 16432, 18407, 18640, 20540, 24232, 30290, 36814, 41080, 48464, 60580, 73628, 82160, 92035, 121160, 147256, 184070, 239291, 242320, 294512, 368140, 478582, 736280, 957164, 1196455, 1472560, 1914328, 2392910, 3828656, 4785820, 9571640, 19143280]

約数ペア:

[(1, 19143280), (2, 9571640), (4, 4785820), (5, 3828656), (8, 2392910), (10, 1914328), (13, 1472560), (16, 1196455), (20, 957164), (26, 736280), (40, 478582), (52, 368140), (65, 294512), (79, 242320), (80, 239291), (104, 184070), (130, 147256), (158, 121160), (208, 92035), (233, 82160), (260, 73628), (316, 60580), (395, 48464), (466, 41080), (520, 36814), (632, 30290), (790, 24232), (932, 20540), (1027, 18640), (1040, 18407), (1165, 16432), (1264, 15145), (1580, 12116), (1864, 10270), (2054, 9320), (2330, 8216), (3029, 6320), (3160, 6058), (3728, 5135), (4108, 4660)]