19798665

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{547}}^1$

素因数の和:701

約数の個数: 32

約数和(自身を含む): 33669120

約数和(自身を除く): 13870455

約数列:

[1, 3, 5, 15, 19, 57, 95, 127, 285, 381, 547, 635, 1641, 1905, 2413, 2735, 7239, 8205, 10393, 12065, 31179, 36195, 51965, 69469, 155895, 208407, 347345, 1042035, 1319911, 3959733, 6599555, 19798665]

約数ペア:

[(1, 19798665), (3, 6599555), (5, 3959733), (15, 1319911), (19, 1042035), (57, 347345), (95, 208407), (127, 155895), (285, 69469), (381, 51965), (547, 36195), (635, 31179), (1641, 12065), (1905, 10393), (2413, 8205), (2735, 7239)]