18968748

素因数分解:

$2^2\times 3^1\times {\mathrm{89}}^1\times {\mathrm{17761}}^1$

素因数の和:17857

約数の個数: 24

約数和(自身を含む): 44760240

約数和(自身を除く): 25791492

約数列:

[1, 2, 3, 4, 6, 12, 89, 178, 267, 356, 534, 1068, 17761, 35522, 53283, 71044, 106566, 213132, 1580729, 3161458, 4742187, 6322916, 9484374, 18968748]

約数ペア:

[(1, 18968748), (2, 9484374), (3, 6322916), (4, 4742187), (6, 3161458), (12, 1580729), (89, 213132), (178, 106566), (267, 71044), (356, 53283), (534, 35522), (1068, 17761)]