19621395

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{433}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 36560160

約数和(自身を除く): 16938765

約数列:

[1, 3, 5, 9, 15, 19, 45, 53, 57, 95, 159, 171, 265, 285, 433, 477, 795, 855, 1007, 1299, 2165, 2385, 3021, 3897, 5035, 6495, 8227, 9063, 15105, 19485, 22949, 24681, 41135, 45315, 68847, 74043, 114745, 123405, 206541, 344235, 370215, 436031, 1032705, 1308093, 2180155, 3924279, 6540465, 19621395]

約数ペア:

[(1, 19621395), (3, 6540465), (5, 3924279), (9, 2180155), (15, 1308093), (19, 1032705), (45, 436031), (53, 370215), (57, 344235), (95, 206541), (159, 123405), (171, 114745), (265, 74043), (285, 68847), (433, 45315), (477, 41135), (795, 24681), (855, 22949), (1007, 19485), (1299, 15105), (2165, 9063), (2385, 8227), (3021, 6495), (3897, 5035)]