18449860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6451}}^1$

素因数の和:6484

約数の個数: 48

約数和(自身を含む): 45525312

約数和(自身を除く): 27075452

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 6451, 12902, 25804, 32255, 64510, 70961, 83863, 129020, 141922, 167726, 283844, 335452, 354805, 419315, 709610, 838630, 922493, 1419220, 1677260, 1844986, 3689972, 4612465, 9224930, 18449860]

約数ペア:

[(1, 18449860), (2, 9224930), (4, 4612465), (5, 3689972), (10, 1844986), (11, 1677260), (13, 1419220), (20, 922493), (22, 838630), (26, 709610), (44, 419315), (52, 354805), (55, 335452), (65, 283844), (110, 167726), (130, 141922), (143, 129020), (220, 83863), (260, 70961), (286, 64510), (572, 32255), (715, 25804), (1430, 12902), (2860, 6451)]