19299220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{13591}}^1$

素因数の和:13671

約数の個数: 24

約数和(自身を含む): 41102208

約数和(自身を除く): 21802988

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 13591, 27182, 54364, 67955, 135910, 271820, 964961, 1929922, 3859844, 4824805, 9649610, 19299220]

約数ペア:

[(1, 19299220), (2, 9649610), (4, 4824805), (5, 3859844), (10, 1929922), (20, 964961), (71, 271820), (142, 135910), (284, 67955), (355, 54364), (710, 27182), (1420, 13591)]