18197650

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:379

約数の個数: 48

約数和(自身を含む): 36426240

約数和(自身を除く): 18228590

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 79, 85, 158, 170, 271, 395, 425, 542, 790, 850, 1343, 1355, 1975, 2686, 2710, 3950, 4607, 6715, 6775, 9214, 13430, 13550, 21409, 23035, 33575, 42818, 46070, 67150, 107045, 115175, 214090, 230350, 363953, 535225, 727906, 1070450, 1819765, 3639530, 9098825, 18197650]

約数ペア:

[(1, 18197650), (2, 9098825), (5, 3639530), (10, 1819765), (17, 1070450), (25, 727906), (34, 535225), (50, 363953), (79, 230350), (85, 214090), (158, 115175), (170, 107045), (271, 67150), (395, 46070), (425, 42818), (542, 33575), (790, 23035), (850, 21409), (1343, 13550), (1355, 13430), (1975, 9214), (2686, 6775), (2710, 6715), (3950, 4607)]