17971820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{14731}}^1$

素因数の和:14801

約数の個数: 24

約数和(自身を含む): 38362128

約数和(自身を除く): 20390308

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 14731, 29462, 58924, 73655, 147310, 294620, 898591, 1797182, 3594364, 4492955, 8985910, 17971820]

約数ペア:

[(1, 17971820), (2, 8985910), (4, 4492955), (5, 3594364), (10, 1797182), (20, 898591), (61, 294620), (122, 147310), (244, 73655), (305, 58924), (610, 29462), (1220, 14731)]