18991170018

素因数分解:

$2^1\times 3^2\times {\mathrm{51691}}^1\times {\mathrm{20411}}^1$

素因数の和:72110

約数の個数: 24

約数和(自身を含む): 41150347056

約数和(自身を除く): 22159177038

約数列:

[1, 2, 3, 6, 9, 18, 20411, 40822, 51691, 61233, 103382, 122466, 155073, 183699, 310146, 367398, 465219, 930438, 1055065001, 2110130002, 3165195003, 6330390006, 9495585009, 18991170018]

約数ペア:

[(1, 18991170018), (2, 9495585009), (3, 6330390006), (6, 3165195003), (9, 2110130002), (18, 1055065001), (20411, 930438), (40822, 465219), (51691, 367398), (61233, 310146), (103382, 183699), (122466, 155073)]