19117920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{39829}}^1$

素因数の和:39847

約数の個数: 48

約数和(自身を含む): 60222960

約数和(自身を除く): 41105040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 39829, 79658, 119487, 159316, 199145, 238974, 318632, 398290, 477948, 597435, 637264, 796580, 955896, 1194870, 1274528, 1593160, 1911792, 2389740, 3186320, 3823584, 4779480, 6372640, 9558960, 19117920]

約数ペア:

[(1, 19117920), (2, 9558960), (3, 6372640), (4, 4779480), (5, 3823584), (6, 3186320), (8, 2389740), (10, 1911792), (12, 1593160), (15, 1274528), (16, 1194870), (20, 955896), (24, 796580), (30, 637264), (32, 597435), (40, 477948), (48, 398290), (60, 318632), (80, 238974), (96, 199145), (120, 159316), (160, 119487), (240, 79658), (480, 39829)]