18421688

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1259}}^1$

素因数の和:1355

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 17866312

約数列:

[1, 2, 4, 8, 31, 59, 62, 118, 124, 236, 248, 472, 1259, 1829, 2518, 3658, 5036, 7316, 10072, 14632, 39029, 74281, 78058, 148562, 156116, 297124, 312232, 594248, 2302711, 4605422, 9210844, 18421688]

約数ペア:

[(1, 18421688), (2, 9210844), (4, 4605422), (8, 2302711), (31, 594248), (59, 312232), (62, 297124), (118, 156116), (124, 148562), (236, 78058), (248, 74281), (472, 39029), (1259, 14632), (1829, 10072), (2518, 7316), (3658, 5036)]