18726785

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 28311552

約数和(自身を除く): 9584767

約数列:

[1, 5, 7, 11, 35, 55, 77, 127, 383, 385, 635, 889, 1397, 1915, 2681, 4213, 4445, 6985, 9779, 13405, 21065, 29491, 48641, 48895, 147455, 243205, 340487, 535051, 1702435, 2675255, 3745357, 18726785]

約数ペア:

[(1, 18726785), (5, 3745357), (7, 2675255), (11, 1702435), (35, 535051), (55, 340487), (77, 243205), (127, 147455), (383, 48895), (385, 48641), (635, 29491), (889, 21065), (1397, 13405), (1915, 9779), (2681, 6985), (4213, 4445)]