18289740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{6221}}^1$

素因数の和:6247

約数の個数: 72

約数和(自身を含む): 59581872

約数和(自身を除く): 41292132

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 6221, 12442, 18663, 24884, 31105, 37326, 43547, 62210, 74652, 87094, 93315, 124420, 130641, 174188, 186630, 217735, 261282, 304829, 373260, 435470, 522564, 609658, 653205, 870940, 914487, 1219316, 1306410, 1524145, 1828974, 2612820, 3048290, 3657948, 4572435, 6096580, 9144870, 18289740]

約数ペア:

[(1, 18289740), (2, 9144870), (3, 6096580), (4, 4572435), (5, 3657948), (6, 3048290), (7, 2612820), (10, 1828974), (12, 1524145), (14, 1306410), (15, 1219316), (20, 914487), (21, 870940), (28, 653205), (30, 609658), (35, 522564), (42, 435470), (49, 373260), (60, 304829), (70, 261282), (84, 217735), (98, 186630), (105, 174188), (140, 130641), (147, 124420), (196, 93315), (210, 87094), (245, 74652), (294, 62210), (420, 43547), (490, 37326), (588, 31105), (735, 24884), (980, 18663), (1470, 12442), (2940, 6221)]