18196395

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1303}}^1$

素因数の和:1344

約数の個数: 48

約数和(自身を含む): 35677440

約数和(自身を除く): 17481045

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 665, 735, 931, 1303, 1995, 2793, 3909, 4655, 6515, 9121, 13965, 19545, 24757, 27363, 45605, 63847, 74271, 123785, 136815, 173299, 191541, 319235, 371355, 519897, 866495, 957705, 1213093, 2599485, 3639279, 6065465, 18196395]

約数ペア:

[(1, 18196395), (3, 6065465), (5, 3639279), (7, 2599485), (15, 1213093), (19, 957705), (21, 866495), (35, 519897), (49, 371355), (57, 319235), (95, 191541), (105, 173299), (133, 136815), (147, 123785), (245, 74271), (285, 63847), (399, 45605), (665, 27363), (735, 24757), (931, 19545), (1303, 13965), (1995, 9121), (2793, 6515), (3909, 4655)]