18771358

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:372

約数の個数: 32

約数和(自身を含む): 31026240

約数和(自身を除く): 12254882

約数列:

[1, 2, 23, 37, 41, 46, 74, 82, 269, 538, 851, 943, 1517, 1702, 1886, 3034, 6187, 9953, 11029, 12374, 19906, 22058, 34891, 69782, 228919, 253667, 408073, 457838, 507334, 816146, 9385679, 18771358]

約数ペア:

[(1, 18771358), (2, 9385679), (23, 816146), (37, 507334), (41, 457838), (46, 408073), (74, 253667), (82, 228919), (269, 69782), (538, 34891), (851, 22058), (943, 19906), (1517, 12374), (1702, 11029), (1886, 9953), (3034, 6187)]