18988812

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{8647}}^1$

素因数の和:8718

約数の個数: 36

約数和(自身を含む): 48792016

約数和(自身を除く): 29803204

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 244, 366, 549, 732, 1098, 2196, 8647, 17294, 25941, 34588, 51882, 77823, 103764, 155646, 311292, 527467, 1054934, 1582401, 2109868, 3164802, 4747203, 6329604, 9494406, 18988812]

約数ペア:

[(1, 18988812), (2, 9494406), (3, 6329604), (4, 4747203), (6, 3164802), (9, 2109868), (12, 1582401), (18, 1054934), (36, 527467), (61, 311292), (122, 155646), (183, 103764), (244, 77823), (366, 51882), (549, 34588), (732, 25941), (1098, 17294), (2196, 8647)]