18190920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13781}}^1$

素因数の和:13806

約数の個数: 64

約数和(自身を含む): 59538240

約数和(自身を除く): 41347320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 13781, 27562, 41343, 55124, 68905, 82686, 110248, 137810, 151591, 165372, 206715, 275620, 303182, 330744, 413430, 454773, 551240, 606364, 757955, 826860, 909546, 1212728, 1515910, 1653720, 1819092, 2273865, 3031820, 3638184, 4547730, 6063640, 9095460, 18190920]

約数ペア:

[(1, 18190920), (2, 9095460), (3, 6063640), (4, 4547730), (5, 3638184), (6, 3031820), (8, 2273865), (10, 1819092), (11, 1653720), (12, 1515910), (15, 1212728), (20, 909546), (22, 826860), (24, 757955), (30, 606364), (33, 551240), (40, 454773), (44, 413430), (55, 330744), (60, 303182), (66, 275620), (88, 206715), (110, 165372), (120, 151591), (132, 137810), (165, 110248), (220, 82686), (264, 68905), (330, 55124), (440, 41343), (660, 27562), (1320, 13781)]