18143632

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4591}}^1$

素因数の和:4631

約数の個数: 40

約数和(自身を含む): 39858560

約数和(自身を除く): 21714928

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 4591, 9182, 18364, 36728, 59683, 73456, 87229, 119366, 174458, 238732, 348916, 477464, 697832, 954928, 1133977, 1395664, 2267954, 4535908, 9071816, 18143632]

約数ペア:

[(1, 18143632), (2, 9071816), (4, 4535908), (8, 2267954), (13, 1395664), (16, 1133977), (19, 954928), (26, 697832), (38, 477464), (52, 348916), (76, 238732), (104, 174458), (152, 119366), (208, 87229), (247, 73456), (304, 59683), (494, 36728), (988, 18364), (1976, 9182), (3952, 4591)]