18641690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2069}}^1$

素因数の和:2146

約数の個数: 32

約数和(自身を含む): 36216720

約数和(自身を除く): 17575030

約数列:

[1, 2, 5, 10, 17, 34, 53, 85, 106, 170, 265, 530, 901, 1802, 2069, 4138, 4505, 9010, 10345, 20690, 35173, 70346, 109657, 175865, 219314, 351730, 548285, 1096570, 1864169, 3728338, 9320845, 18641690]

約数ペア:

[(1, 18641690), (2, 9320845), (5, 3728338), (10, 1864169), (17, 1096570), (34, 548285), (53, 351730), (85, 219314), (106, 175865), (170, 109657), (265, 70346), (530, 35173), (901, 20690), (1802, 10345), (2069, 9010), (4138, 4505)]