18436990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12893}}^1$

素因数の和:12924

約数の個数: 32

約数和(自身を含む): 38991456

約数和(自身を除く): 20554466

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 12893, 25786, 64465, 128930, 141823, 167609, 283646, 335218, 709115, 838045, 1418230, 1676090, 1843699, 3687398, 9218495, 18436990]

約数ペア:

[(1, 18436990), (2, 9218495), (5, 3687398), (10, 1843699), (11, 1676090), (13, 1418230), (22, 838045), (26, 709115), (55, 335218), (65, 283646), (110, 167609), (130, 141823), (143, 128930), (286, 64465), (715, 25786), (1430, 12893)]