18891012

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{13229}}^1$

素因数の和:13260

約数の個数: 48

約数和(自身を含む): 53343360

約数和(自身を除く): 34452348

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 13229, 26458, 39687, 52916, 79374, 92603, 158748, 185206, 224893, 277809, 370412, 449786, 555618, 674679, 899572, 1111236, 1349358, 1574251, 2698716, 3148502, 4722753, 6297004, 9445506, 18891012]

約数ペア:

[(1, 18891012), (2, 9445506), (3, 6297004), (4, 4722753), (6, 3148502), (7, 2698716), (12, 1574251), (14, 1349358), (17, 1111236), (21, 899572), (28, 674679), (34, 555618), (42, 449786), (51, 370412), (68, 277809), (84, 224893), (102, 185206), (119, 158748), (204, 92603), (238, 79374), (357, 52916), (476, 39687), (714, 26458), (1428, 13229)]