18360440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2851}}^1$

素因数の和:2892

約数の個数: 64

約数和(自身を含む): 49282560

約数和(自身を除く): 30922120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 2851, 3220, 5702, 6440, 11404, 14255, 19957, 22808, 28510, 39914, 57020, 65573, 79828, 99785, 114040, 131146, 159656, 199570, 262292, 327865, 399140, 459011, 524584, 655730, 798280, 918022, 1311460, 1836044, 2295055, 2622920, 3672088, 4590110, 9180220, 18360440]

約数ペア:

[(1, 18360440), (2, 9180220), (4, 4590110), (5, 3672088), (7, 2622920), (8, 2295055), (10, 1836044), (14, 1311460), (20, 918022), (23, 798280), (28, 655730), (35, 524584), (40, 459011), (46, 399140), (56, 327865), (70, 262292), (92, 199570), (115, 159656), (140, 131146), (161, 114040), (184, 99785), (230, 79828), (280, 65573), (322, 57020), (460, 39914), (644, 28510), (805, 22808), (920, 19957), (1288, 14255), (1610, 11404), (2851, 6440), (3220, 5702)]