18300640

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4973}}^1$

素因数の和:5011

約数の個数: 48

約数和(自身を含む): 45124128

約数和(自身を除く): 26823488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 4973, 9946, 19892, 24865, 39784, 49730, 79568, 99460, 114379, 159136, 198920, 228758, 397840, 457516, 571895, 795680, 915032, 1143790, 1830064, 2287580, 3660128, 4575160, 9150320, 18300640]

約数ペア:

[(1, 18300640), (2, 9150320), (4, 4575160), (5, 3660128), (8, 2287580), (10, 1830064), (16, 1143790), (20, 915032), (23, 795680), (32, 571895), (40, 457516), (46, 397840), (80, 228758), (92, 198920), (115, 159136), (160, 114379), (184, 99460), (230, 79568), (368, 49730), (460, 39784), (736, 24865), (920, 19892), (1840, 9946), (3680, 4973)]