16660872

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^2\times {\mathrm{641}}^1$

素因数の和:691

約数の個数: 72

約数和(自身を含む): 47697390

約数和(自身を除く): 31036518

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 361, 456, 641, 684, 722, 1083, 1282, 1368, 1444, 1923, 2166, 2564, 2888, 3249, 3846, 4332, 5128, 5769, 6498, 7692, 8664, 11538, 12179, 12996, 15384, 23076, 24358, 25992, 36537, 46152, 48716, 73074, 97432, 109611, 146148, 219222, 231401, 292296, 438444, 462802, 694203, 876888, 925604, 1388406, 1851208, 2082609, 2776812, 4165218, 5553624, 8330436, 16660872]

約数ペア:

[(1, 16660872), (2, 8330436), (3, 5553624), (4, 4165218), (6, 2776812), (8, 2082609), (9, 1851208), (12, 1388406), (18, 925604), (19, 876888), (24, 694203), (36, 462802), (38, 438444), (57, 292296), (72, 231401), (76, 219222), (114, 146148), (152, 109611), (171, 97432), (228, 73074), (342, 48716), (361, 46152), (456, 36537), (641, 25992), (684, 24358), (722, 23076), (1083, 15384), (1282, 12996), (1368, 12179), (1444, 11538), (1923, 8664), (2166, 7692), (2564, 6498), (2888, 5769), (3249, 5128), (3846, 4332)]