19598960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14411}}^1$

素因数の和:14441

約数の個数: 40

約数和(自身を含む): 48251376

約数和(自身を除く): 28652416

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 14411, 28822, 57644, 72055, 115288, 144110, 230576, 244987, 288220, 489974, 576440, 979948, 1152880, 1224935, 1959896, 2449870, 3919792, 4899740, 9799480, 19598960]

約数ペア:

[(1, 19598960), (2, 9799480), (4, 4899740), (5, 3919792), (8, 2449870), (10, 1959896), (16, 1224935), (17, 1152880), (20, 979948), (34, 576440), (40, 489974), (68, 288220), (80, 244987), (85, 230576), (136, 144110), (170, 115288), (272, 72055), (340, 57644), (680, 28822), (1360, 14411)]