18729786

素因数分解:

$2^1\times 3^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{337}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 38450880

約数和(自身を除く): 19721094

約数列:

[1, 2, 3, 6, 59, 118, 157, 177, 314, 337, 354, 471, 674, 942, 1011, 2022, 9263, 18526, 19883, 27789, 39766, 52909, 55578, 59649, 105818, 119298, 158727, 317454, 3121631, 6243262, 9364893, 18729786]

約数ペア:

[(1, 18729786), (2, 9364893), (3, 6243262), (6, 3121631), (59, 317454), (118, 158727), (157, 119298), (177, 105818), (314, 59649), (337, 55578), (354, 52909), (471, 39766), (674, 27789), (942, 19883), (1011, 18526), (2022, 9263)]