18502890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{307}}^1$

素因数の和:372

約数の個数: 96

約数和(自身を含む): 53089344

約数和(自身を除く): 34586454

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 41, 42, 49, 70, 82, 98, 105, 123, 147, 205, 210, 245, 246, 287, 294, 307, 410, 490, 574, 614, 615, 735, 861, 921, 1230, 1435, 1470, 1535, 1722, 1842, 2009, 2149, 2870, 3070, 4018, 4298, 4305, 4605, 6027, 6447, 8610, 9210, 10045, 10745, 12054, 12587, 12894, 15043, 20090, 21490, 25174, 30086, 30135, 32235, 37761, 45129, 60270, 62935, 64470, 75215, 75522, 88109, 90258, 125870, 150430, 176218, 188805, 225645, 264327, 377610, 440545, 451290, 528654, 616763, 881090, 1233526, 1321635, 1850289, 2643270, 3083815, 3700578, 6167630, 9251445, 18502890]

約数ペア:

[(1, 18502890), (2, 9251445), (3, 6167630), (5, 3700578), (6, 3083815), (7, 2643270), (10, 1850289), (14, 1321635), (15, 1233526), (21, 881090), (30, 616763), (35, 528654), (41, 451290), (42, 440545), (49, 377610), (70, 264327), (82, 225645), (98, 188805), (105, 176218), (123, 150430), (147, 125870), (205, 90258), (210, 88109), (245, 75522), (246, 75215), (287, 64470), (294, 62935), (307, 60270), (410, 45129), (490, 37761), (574, 32235), (614, 30135), (615, 30086), (735, 25174), (861, 21490), (921, 20090), (1230, 15043), (1435, 12894), (1470, 12587), (1535, 12054), (1722, 10745), (1842, 10045), (2009, 9210), (2149, 8610), (2870, 6447), (3070, 6027), (4018, 4605), (4298, 4305)]