18856432

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5431}}^1$

素因数の和:5477

約数の個数: 40

約数和(自身を含む): 43108352

約数和(自身を除く): 24251920

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 5431, 10862, 21724, 38017, 43448, 76034, 86896, 152068, 168361, 304136, 336722, 608272, 673444, 1178527, 1346888, 2357054, 2693776, 4714108, 9428216, 18856432]

約数ペア:

[(1, 18856432), (2, 9428216), (4, 4714108), (7, 2693776), (8, 2357054), (14, 1346888), (16, 1178527), (28, 673444), (31, 608272), (56, 336722), (62, 304136), (112, 168361), (124, 152068), (217, 86896), (248, 76034), (434, 43448), (496, 38017), (868, 21724), (1736, 10862), (3472, 5431)]