18518720

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5261}}^1$

素因数の和:5289

約数の個数: 56

約数和(自身を含む): 48115728

約数和(自身を除く): 29597008

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 5261, 10522, 21044, 26305, 42088, 52610, 57871, 84176, 105220, 115742, 168352, 210440, 231484, 289355, 336704, 420880, 462968, 578710, 841760, 925936, 1157420, 1683520, 1851872, 2314840, 3703744, 4629680, 9259360, 18518720]

約数ペア:

[(1, 18518720), (2, 9259360), (4, 4629680), (5, 3703744), (8, 2314840), (10, 1851872), (11, 1683520), (16, 1157420), (20, 925936), (22, 841760), (32, 578710), (40, 462968), (44, 420880), (55, 336704), (64, 289355), (80, 231484), (88, 210440), (110, 168352), (160, 115742), (176, 105220), (220, 84176), (320, 57871), (352, 52610), (440, 42088), (704, 26305), (880, 21044), (1760, 10522), (3520, 5261)]