18739872

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{2099}}^1$

素因数の和:2146

約数の個数: 72

約数和(自身を含む): 55036800

約数和(自身を除く): 36296928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 144, 186, 248, 279, 288, 372, 496, 558, 744, 992, 1116, 1488, 2099, 2232, 2976, 4198, 4464, 6297, 8396, 8928, 12594, 16792, 18891, 25188, 33584, 37782, 50376, 65069, 67168, 75564, 100752, 130138, 151128, 195207, 201504, 260276, 302256, 390414, 520552, 585621, 604512, 780828, 1041104, 1171242, 1561656, 2082208, 2342484, 3123312, 4684968, 6246624, 9369936, 18739872]

約数ペア:

[(1, 18739872), (2, 9369936), (3, 6246624), (4, 4684968), (6, 3123312), (8, 2342484), (9, 2082208), (12, 1561656), (16, 1171242), (18, 1041104), (24, 780828), (31, 604512), (32, 585621), (36, 520552), (48, 390414), (62, 302256), (72, 260276), (93, 201504), (96, 195207), (124, 151128), (144, 130138), (186, 100752), (248, 75564), (279, 67168), (288, 65069), (372, 50376), (496, 37782), (558, 33584), (744, 25188), (992, 18891), (1116, 16792), (1488, 12594), (2099, 8928), (2232, 8396), (2976, 6297), (4198, 4464)]