19856320

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5641}}^1$

素因数の和:5669

約数の個数: 56

約数和(自身を含む): 51590448

約数和(自身を除く): 31734128

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, 5641, 11282, 22564, 28205, 45128, 56410, 62051, 90256, 112820, 124102, 180512, 225640, 248204, 310255, 361024, 451280, 496408, 620510, 902560, 992816, 1241020, 1805120, 1985632, 2482040, 3971264, 4964080, 9928160, 19856320]

約数ペア:

[(1, 19856320), (2, 9928160), (4, 4964080), (5, 3971264), (8, 2482040), (10, 1985632), (11, 1805120), (16, 1241020), (20, 992816), (22, 902560), (32, 620510), (40, 496408), (44, 451280), (55, 361024), (64, 310255), (80, 248204), (88, 225640), (110, 180512), (160, 124102), (176, 112820), (220, 90256), (320, 62051), (352, 56410), (440, 45128), (704, 28205), (880, 22564), (1760, 11282), (3520, 5641)]