18405050

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{367}}^1$

素因数の和:455

約数の個数: 48

約数和(自身を含む): 36961920

約数和(自身を除く): 18556870

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 59, 85, 118, 170, 295, 367, 425, 590, 734, 850, 1003, 1475, 1835, 2006, 2950, 3670, 5015, 6239, 9175, 10030, 12478, 18350, 21653, 25075, 31195, 43306, 50150, 62390, 108265, 155975, 216530, 311950, 368101, 541325, 736202, 1082650, 1840505, 3681010, 9202525, 18405050]

約数ペア:

[(1, 18405050), (2, 9202525), (5, 3681010), (10, 1840505), (17, 1082650), (25, 736202), (34, 541325), (50, 368101), (59, 311950), (85, 216530), (118, 155975), (170, 108265), (295, 62390), (367, 50150), (425, 43306), (590, 31195), (734, 25075), (850, 21653), (1003, 18350), (1475, 12478), (1835, 10030), (2006, 9175), (2950, 6239), (3670, 5015)]