19028984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 41731200

約数和(自身を除く): 22702216

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 47, 52, 68, 94, 104, 136, 188, 221, 229, 376, 442, 458, 611, 799, 884, 916, 1222, 1598, 1768, 1832, 2444, 2977, 3196, 3893, 4888, 5954, 6392, 7786, 10387, 10763, 11908, 15572, 20774, 21526, 23816, 31144, 41548, 43052, 50609, 83096, 86104, 101218, 139919, 182971, 202436, 279838, 365942, 404872, 559676, 731884, 1119352, 1463768, 2378623, 4757246, 9514492, 19028984]

約数ペア:

[(1, 19028984), (2, 9514492), (4, 4757246), (8, 2378623), (13, 1463768), (17, 1119352), (26, 731884), (34, 559676), (47, 404872), (52, 365942), (68, 279838), (94, 202436), (104, 182971), (136, 139919), (188, 101218), (221, 86104), (229, 83096), (376, 50609), (442, 43052), (458, 41548), (611, 31144), (799, 23816), (884, 21526), (916, 20774), (1222, 15572), (1598, 11908), (1768, 10763), (1832, 10387), (2444, 7786), (2977, 6392), (3196, 5954), (3893, 4888)]