18198436

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{461}}^1$

素因数の和:675

約数の個数: 24

約数和(自身を含む): 32598720

約数和(自身を除く): 14400284

約数列:

[1, 2, 4, 71, 139, 142, 278, 284, 461, 556, 922, 1844, 9869, 19738, 32731, 39476, 64079, 65462, 128158, 130924, 256316, 4549609, 9099218, 18198436]

約数ペア:

[(1, 18198436), (2, 9099218), (4, 4549609), (71, 256316), (139, 130924), (142, 128158), (278, 65462), (284, 64079), (461, 39476), (556, 32731), (922, 19738), (1844, 9869)]