18480350

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:442

約数の個数: 72

約数和(自身を含む): 42195960

約数和(自身を除く): 23715610

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 49, 50, 70, 95, 98, 133, 175, 190, 245, 266, 350, 397, 475, 490, 665, 794, 931, 950, 1225, 1330, 1862, 1985, 2450, 2779, 3325, 3970, 4655, 5558, 6650, 7543, 9310, 9925, 13895, 15086, 19453, 19850, 23275, 27790, 37715, 38906, 46550, 52801, 69475, 75430, 97265, 105602, 138950, 188575, 194530, 264005, 369607, 377150, 486325, 528010, 739214, 972650, 1320025, 1848035, 2640050, 3696070, 9240175, 18480350]

約数ペア:

[(1, 18480350), (2, 9240175), (5, 3696070), (7, 2640050), (10, 1848035), (14, 1320025), (19, 972650), (25, 739214), (35, 528010), (38, 486325), (49, 377150), (50, 369607), (70, 264005), (95, 194530), (98, 188575), (133, 138950), (175, 105602), (190, 97265), (245, 75430), (266, 69475), (350, 52801), (397, 46550), (475, 38906), (490, 37715), (665, 27790), (794, 23275), (931, 19850), (950, 19453), (1225, 15086), (1330, 13895), (1862, 9925), (1985, 9310), (2450, 7543), (2779, 6650), (3325, 5558), (3970, 4655)]