18291245720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3779183}}^1$

素因数の和:3779216

約数の個数: 48

約数和(自身を含む): 45236832480

約数和(自身を除く): 26945586760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 3779183, 7558366, 15116732, 18895915, 30233464, 37791830, 41571013, 75583660, 83142026, 151167320, 166284052, 207855065, 332568104, 415710130, 457281143, 831420260, 914562286, 1662840520, 1829124572, 2286405715, 3658249144, 4572811430, 9145622860, 18291245720]

約数ペア:

[(1, 18291245720), (2, 9145622860), (4, 4572811430), (5, 3658249144), (8, 2286405715), (10, 1829124572), (11, 1662840520), (20, 914562286), (22, 831420260), (40, 457281143), (44, 415710130), (55, 332568104), (88, 207855065), (110, 166284052), (121, 151167320), (220, 83142026), (242, 75583660), (440, 41571013), (484, 37791830), (605, 30233464), (968, 18895915), (1210, 15116732), (2420, 7558366), (4840, 3779183)]