19080870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:269

約数の個数: 64

約数和(自身を含む): 47416320

約数和(自身を除く): 28335450

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 83, 97, 158, 166, 194, 237, 249, 291, 395, 415, 474, 485, 498, 582, 790, 830, 970, 1185, 1245, 1455, 2370, 2490, 2910, 6557, 7663, 8051, 13114, 15326, 16102, 19671, 22989, 24153, 32785, 38315, 39342, 40255, 45978, 48306, 65570, 76630, 80510, 98355, 114945, 120765, 196710, 229890, 241530, 636029, 1272058, 1908087, 3180145, 3816174, 6360290, 9540435, 19080870]

約数ペア:

[(1, 19080870), (2, 9540435), (3, 6360290), (5, 3816174), (6, 3180145), (10, 1908087), (15, 1272058), (30, 636029), (79, 241530), (83, 229890), (97, 196710), (158, 120765), (166, 114945), (194, 98355), (237, 80510), (249, 76630), (291, 65570), (395, 48306), (415, 45978), (474, 40255), (485, 39342), (498, 38315), (582, 32785), (790, 24153), (830, 22989), (970, 19671), (1185, 16102), (1245, 15326), (1455, 13114), (2370, 8051), (2490, 7663), (2910, 6557)]