18082718

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 30132000

約数和(自身を除く): 12049282

約数列:

[1, 2, 19, 29, 38, 58, 61, 122, 269, 538, 551, 1102, 1159, 1769, 2318, 3538, 5111, 7801, 10222, 15602, 16409, 32818, 33611, 67222, 148219, 296438, 311771, 475861, 623542, 951722, 9041359, 18082718]

約数ペア:

[(1, 18082718), (2, 9041359), (19, 951722), (29, 623542), (38, 475861), (58, 311771), (61, 296438), (122, 148219), (269, 67222), (538, 33611), (551, 32818), (1102, 16409), (1159, 15602), (1769, 10222), (2318, 7801), (3538, 5111)]