19479680

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2767}}^1$

素因数の和:2797

約数の個数: 64

約数和(自身を含む): 50820480

約数和(自身を除く): 31340800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 2767, 3520, 5534, 7040, 11068, 13835, 22136, 27670, 30437, 44272, 55340, 60874, 88544, 110680, 121748, 152185, 177088, 221360, 243496, 304370, 354176, 442720, 486992, 608740, 885440, 973984, 1217480, 1770880, 1947968, 2434960, 3895936, 4869920, 9739840, 19479680]

約数ペア:

[(1, 19479680), (2, 9739840), (4, 4869920), (5, 3895936), (8, 2434960), (10, 1947968), (11, 1770880), (16, 1217480), (20, 973984), (22, 885440), (32, 608740), (40, 486992), (44, 442720), (55, 354176), (64, 304370), (80, 243496), (88, 221360), (110, 177088), (128, 152185), (160, 121748), (176, 110680), (220, 88544), (320, 60874), (352, 55340), (440, 44272), (640, 30437), (704, 27670), (880, 22136), (1408, 13835), (1760, 11068), (2767, 7040), (3520, 5534)]