55780276

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{38629}}^1$

素因数の和:38671

約数の個数: 18

約数和(自身を含む): 103026210

約数和(自身を除く): 47245934

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 38629, 77258, 154516, 733951, 1467902, 2935804, 13945069, 27890138, 55780276]

約数ペア:

[(1, 55780276), (2, 27890138), (4, 13945069), (19, 2935804), (38, 1467902), (76, 733951), (361, 154516), (722, 77258), (1444, 38629)]