18445291216

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{417541}}^1$

素因数の和:417811

約数の個数: 40

約数和(自身を含む): 39142057248

約数和(自身を除く): 20696766032

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 251, 502, 1004, 2008, 2761, 4016, 5522, 11044, 22088, 44176, 417541, 835082, 1670164, 3340328, 4592951, 6680656, 9185902, 18371804, 36743608, 73487216, 104802791, 209605582, 419211164, 838422328, 1152830701, 1676844656, 2305661402, 4611322804, 9222645608, 18445291216]

約数ペア:

[(1, 18445291216), (2, 9222645608), (4, 4611322804), (8, 2305661402), (11, 1676844656), (16, 1152830701), (22, 838422328), (44, 419211164), (88, 209605582), (176, 104802791), (251, 73487216), (502, 36743608), (1004, 18371804), (2008, 9185902), (2761, 6680656), (4016, 4592951), (5522, 3340328), (11044, 1670164), (22088, 835082), (44176, 417541)]