18963240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4271}}^1$

素因数の和:4322

約数の個数: 64

約数和(自身を含む): 58440960

約数和(自身を除く): 39477720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4271, 4440, 8542, 12813, 17084, 21355, 25626, 34168, 42710, 51252, 64065, 85420, 102504, 128130, 158027, 170840, 256260, 316054, 474081, 512520, 632108, 790135, 948162, 1264216, 1580270, 1896324, 2370405, 3160540, 3792648, 4740810, 6321080, 9481620, 18963240]

約数ペア:

[(1, 18963240), (2, 9481620), (3, 6321080), (4, 4740810), (5, 3792648), (6, 3160540), (8, 2370405), (10, 1896324), (12, 1580270), (15, 1264216), (20, 948162), (24, 790135), (30, 632108), (37, 512520), (40, 474081), (60, 316054), (74, 256260), (111, 170840), (120, 158027), (148, 128130), (185, 102504), (222, 85420), (296, 64065), (370, 51252), (444, 42710), (555, 34168), (740, 25626), (888, 21355), (1110, 17084), (1480, 12813), (2220, 8542), (4271, 4440)]