18045280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10253}}^1$

素因数の和:10279

約数の個数: 48

約数和(自身を含む): 46512144

約数和(自身を除く): 28466864

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 10253, 20506, 41012, 51265, 82024, 102530, 112783, 164048, 205060, 225566, 328096, 410120, 451132, 563915, 820240, 902264, 1127830, 1640480, 1804528, 2255660, 3609056, 4511320, 9022640, 18045280]

約数ペア:

[(1, 18045280), (2, 9022640), (4, 4511320), (5, 3609056), (8, 2255660), (10, 1804528), (11, 1640480), (16, 1127830), (20, 902264), (22, 820240), (32, 563915), (40, 451132), (44, 410120), (55, 328096), (80, 225566), (88, 205060), (110, 164048), (160, 112783), (176, 102530), (220, 82024), (352, 51265), (440, 41012), (880, 20506), (1760, 10253)]