19633275

素因数分解:

$3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1229}}^1$

素因数の和:1316

約数の個数: 36

約数和(自身を含む): 35689680

約数和(自身を除く): 16056405

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 213, 225, 355, 639, 1065, 1229, 1775, 3195, 3687, 5325, 6145, 11061, 15975, 18435, 30725, 55305, 87259, 92175, 261777, 276525, 436295, 785331, 1308885, 2181475, 3926655, 6544425, 19633275]

約数ペア:

[(1, 19633275), (3, 6544425), (5, 3926655), (9, 2181475), (15, 1308885), (25, 785331), (45, 436295), (71, 276525), (75, 261777), (213, 92175), (225, 87259), (355, 55305), (639, 30725), (1065, 18435), (1229, 15975), (1775, 11061), (3195, 6145), (3687, 5325)]