19167160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 46422720

約数和(自身を除く): 27255560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 71, 85, 136, 142, 170, 284, 340, 355, 397, 568, 680, 710, 794, 1207, 1420, 1588, 1985, 2414, 2840, 3176, 3970, 4828, 6035, 6749, 7940, 9656, 12070, 13498, 15880, 24140, 26996, 28187, 33745, 48280, 53992, 56374, 67490, 112748, 134980, 140935, 225496, 269960, 281870, 479179, 563740, 958358, 1127480, 1916716, 2395895, 3833432, 4791790, 9583580, 19167160]

約数ペア:

[(1, 19167160), (2, 9583580), (4, 4791790), (5, 3833432), (8, 2395895), (10, 1916716), (17, 1127480), (20, 958358), (34, 563740), (40, 479179), (68, 281870), (71, 269960), (85, 225496), (136, 140935), (142, 134980), (170, 112748), (284, 67490), (340, 56374), (355, 53992), (397, 48280), (568, 33745), (680, 28187), (710, 26996), (794, 24140), (1207, 15880), (1420, 13498), (1588, 12070), (1985, 9656), (2414, 7940), (2840, 6749), (3176, 6035), (3970, 4828)]