219345642

素因数分解:

$2^1\times 3^2\times {\mathrm{157}}^1\times {\mathrm{77617}}^1$

素因数の和:77782

約数の個数: 24

約数和(自身を含む): 478282116

約数和(自身を除く): 258936474

約数列:

[1, 2, 3, 6, 9, 18, 157, 314, 471, 942, 1413, 2826, 77617, 155234, 232851, 465702, 698553, 1397106, 12185869, 24371738, 36557607, 73115214, 109672821, 219345642]

約数ペア:

[(1, 219345642), (2, 109672821), (3, 73115214), (6, 36557607), (9, 24371738), (18, 12185869), (157, 1397106), (314, 698553), (471, 465702), (942, 232851), (1413, 155234), (2826, 77617)]