18467960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{65957}}^1$

素因数の和:65975

約数の個数: 32

約数和(自身を含む): 47489760

約数和(自身を除く): 29021800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 65957, 131914, 263828, 329785, 461699, 527656, 659570, 923398, 1319140, 1846796, 2308495, 2638280, 3693592, 4616990, 9233980, 18467960]

約数ペア:

[(1, 18467960), (2, 9233980), (4, 4616990), (5, 3693592), (7, 2638280), (8, 2308495), (10, 1846796), (14, 1319140), (20, 923398), (28, 659570), (35, 527656), (40, 461699), (56, 329785), (70, 263828), (140, 131914), (280, 65957)]