18771399

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{547}}^1$

素因数の和:628

約数の個数: 32

約数和(自身を含む): 29460480

約数和(自身を除く): 10689081

約数列:

[1, 3, 9, 27, 31, 41, 93, 123, 279, 369, 547, 837, 1107, 1271, 1641, 3813, 4923, 11439, 14769, 16957, 22427, 34317, 50871, 67281, 152613, 201843, 457839, 605529, 695237, 2085711, 6257133, 18771399]

約数ペア:

[(1, 18771399), (3, 6257133), (9, 2085711), (27, 695237), (31, 605529), (41, 457839), (93, 201843), (123, 152613), (279, 67281), (369, 50871), (547, 34317), (837, 22427), (1107, 16957), (1271, 14769), (1641, 11439), (3813, 4923)]