18889832

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4909}}^1$

素因数の和:4965

約数の個数: 32

約数和(自身を含む): 39181800

約数和(自身を除く): 20291968

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 296, 481, 962, 1924, 3848, 4909, 9818, 19636, 39272, 63817, 127634, 181633, 255268, 363266, 510536, 726532, 1453064, 2361229, 4722458, 9444916, 18889832]

約数ペア:

[(1, 18889832), (2, 9444916), (4, 4722458), (8, 2361229), (13, 1453064), (26, 726532), (37, 510536), (52, 363266), (74, 255268), (104, 181633), (148, 127634), (296, 63817), (481, 39272), (962, 19636), (1924, 9818), (3848, 4909)]