19181808

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{4297}}^1$

素因数の和:4342

約数の個数: 60

約数和(自身を含む): 55427008

約数和(自身を除く): 36245200

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 186, 248, 279, 372, 496, 558, 744, 1116, 1488, 2232, 4297, 4464, 8594, 12891, 17188, 25782, 34376, 38673, 51564, 68752, 77346, 103128, 133207, 154692, 206256, 266414, 309384, 399621, 532828, 618768, 799242, 1065656, 1198863, 1598484, 2131312, 2397726, 3196968, 4795452, 6393936, 9590904, 19181808]

約数ペア:

[(1, 19181808), (2, 9590904), (3, 6393936), (4, 4795452), (6, 3196968), (8, 2397726), (9, 2131312), (12, 1598484), (16, 1198863), (18, 1065656), (24, 799242), (31, 618768), (36, 532828), (48, 399621), (62, 309384), (72, 266414), (93, 206256), (124, 154692), (144, 133207), (186, 103128), (248, 77346), (279, 68752), (372, 51564), (496, 38673), (558, 34376), (744, 25782), (1116, 17188), (1488, 12891), (2232, 8594), (4297, 4464)]