18616988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{11549}}^1$

素因数の和:11597

約数の個数: 24

約数和(自身を含む): 36220800

約数和(自身を除く): 17603812

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 11549, 23098, 46196, 150137, 300274, 358019, 600548, 716038, 1432076, 4654247, 9308494, 18616988]

約数ペア:

[(1, 18616988), (2, 9308494), (4, 4654247), (13, 1432076), (26, 716038), (31, 600548), (52, 358019), (62, 300274), (124, 150137), (403, 46196), (806, 23098), (1612, 11549)]