18700872968

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2016919}}^1$

素因数の和:2017005

約数の個数: 32

約数和(自身を含む): 37514712000

約数和(自身を除く): 18813839032

約数列:

[1, 2, 4, 8, 19, 38, 61, 76, 122, 152, 244, 488, 1159, 2318, 4636, 9272, 2016919, 4033838, 8067676, 16135352, 38321461, 76642922, 123032059, 153285844, 246064118, 306571688, 492128236, 984256472, 2337609121, 4675218242, 9350436484, 18700872968]

約数ペア:

[(1, 18700872968), (2, 9350436484), (4, 4675218242), (8, 2337609121), (19, 984256472), (38, 492128236), (61, 306571688), (76, 246064118), (122, 153285844), (152, 123032059), (244, 76642922), (488, 38321461), (1159, 16135352), (2318, 8067676), (4636, 4033838), (9272, 2016919)]