19977618

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{2683}}^1$

素因数の和:2778

約数の個数: 32

約数和(自身を含む): 42901056

約数和(自身を除く): 22923438

約数列:

[1, 2, 3, 6, 17, 34, 51, 73, 102, 146, 219, 438, 1241, 2482, 2683, 3723, 5366, 7446, 8049, 16098, 45611, 91222, 136833, 195859, 273666, 391718, 587577, 1175154, 3329603, 6659206, 9988809, 19977618]

約数ペア:

[(1, 19977618), (2, 9988809), (3, 6659206), (6, 3329603), (17, 1175154), (34, 587577), (51, 391718), (73, 273666), (102, 195859), (146, 136833), (219, 91222), (438, 45611), (1241, 16098), (2482, 8049), (2683, 7446), (3723, 5366)]