18804519968

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{303377}}^1$

素因数の和:303549

約数の個数: 48

約数和(自身を含む): 40136909400

約数和(自身を除く): 21332389432

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 149, 208, 298, 416, 596, 1192, 1937, 2384, 3874, 4768, 7748, 15496, 30992, 61984, 303377, 606754, 1213508, 2427016, 3943901, 4854032, 7887802, 9708064, 15775604, 31551208, 45203173, 63102416, 90406346, 126204832, 180812692, 361625384, 587641249, 723250768, 1175282498, 1446501536, 2350564996, 4701129992, 9402259984, 18804519968]

約数ペア:

[(1, 18804519968), (2, 9402259984), (4, 4701129992), (8, 2350564996), (13, 1446501536), (16, 1175282498), (26, 723250768), (32, 587641249), (52, 361625384), (104, 180812692), (149, 126204832), (208, 90406346), (298, 63102416), (416, 45203173), (596, 31551208), (1192, 15775604), (1937, 9708064), (2384, 7887802), (3874, 4854032), (4768, 3943901), (7748, 2427016), (15496, 1213508), (30992, 606754), (61984, 303377)]