18481456

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5323}}^1$

素因数の和:5369

約数の個数: 40

約数和(自身を含む): 42251264

約数和(自身を除く): 23769808

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 5323, 10646, 21292, 37261, 42584, 74522, 85168, 149044, 165013, 298088, 330026, 596176, 660052, 1155091, 1320104, 2310182, 2640208, 4620364, 9240728, 18481456]

約数ペア:

[(1, 18481456), (2, 9240728), (4, 4620364), (7, 2640208), (8, 2310182), (14, 1320104), (16, 1155091), (28, 660052), (31, 596176), (56, 330026), (62, 298088), (112, 165013), (124, 149044), (217, 85168), (248, 74522), (434, 42584), (496, 37261), (868, 21292), (1736, 10646), (3472, 5323)]