19181030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{4253}}^1$

素因数の和:4312

約数の個数: 32

約数和(自身を含む): 38592288

約数和(自身を除く): 19411258

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 2255, 4253, 4510, 8506, 21265, 42530, 46783, 93566, 174373, 233915, 348746, 467830, 871865, 1743730, 1918103, 3836206, 9590515, 19181030]

約数ペア:

[(1, 19181030), (2, 9590515), (5, 3836206), (10, 1918103), (11, 1743730), (22, 871865), (41, 467830), (55, 348746), (82, 233915), (110, 174373), (205, 93566), (410, 46783), (451, 42530), (902, 21265), (2255, 8506), (4253, 4510)]