18471753

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{761}}^1$

素因数の和:830

約数の個数: 32

約数和(自身を含む): 29260800

約数和(自身を除く): 10789047

約数列:

[1, 3, 9, 27, 29, 31, 87, 93, 261, 279, 761, 783, 837, 899, 2283, 2697, 6849, 8091, 20547, 22069, 23591, 24273, 66207, 70773, 198621, 212319, 595863, 636957, 684139, 2052417, 6157251, 18471753]

約数ペア:

[(1, 18471753), (3, 6157251), (9, 2052417), (27, 684139), (29, 636957), (31, 595863), (87, 212319), (93, 198621), (261, 70773), (279, 66207), (761, 24273), (783, 23591), (837, 22069), (899, 20547), (2283, 8091), (2697, 6849)]