18880232

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{5527}}^1$

素因数の和:5601

約数の個数: 32

約数和(自身を含む): 41128320

約数和(自身を除く): 22248088

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 5527, 11054, 22108, 38689, 44216, 77378, 154756, 309512, 337147, 674294, 1348588, 2360029, 2697176, 4720058, 9440116, 18880232]

約数ペア:

[(1, 18880232), (2, 9440116), (4, 4720058), (7, 2697176), (8, 2360029), (14, 1348588), (28, 674294), (56, 337147), (61, 309512), (122, 154756), (244, 77378), (427, 44216), (488, 38689), (854, 22108), (1708, 11054), (3416, 5527)]