18535504

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89113}}^1$

素因数の和:89134

約数の個数: 20

約数和(自身を含む): 38675476

約数和(自身を除く): 20139972

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 89113, 178226, 356452, 712904, 1158469, 1425808, 2316938, 4633876, 9267752, 18535504]

約数ペア:

[(1, 18535504), (2, 9267752), (4, 4633876), (8, 2316938), (13, 1425808), (16, 1158469), (26, 712904), (52, 356452), (104, 178226), (208, 89113)]