219703916

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{18413}}^1$

素因数の和:18593

約数の個数: 24

約数和(自身を含む): 407317680

約数和(自身を除く): 187613764

約数列:

[1, 2, 4, 19, 38, 76, 157, 314, 628, 2983, 5966, 11932, 18413, 36826, 73652, 349847, 699694, 1399388, 2890841, 5781682, 11563364, 54925979, 109851958, 219703916]

約数ペア:

[(1, 219703916), (2, 109851958), (4, 54925979), (19, 11563364), (38, 5781682), (76, 2890841), (157, 1399388), (314, 699694), (628, 349847), (2983, 73652), (5966, 36826), (11932, 18413)]