19637415

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2011}}^1$

素因数の和:2060

約数の個数: 48

約数和(自身を含む): 40175616

約数和(自身を除く): 20538201

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 63, 93, 105, 155, 217, 279, 315, 465, 651, 1085, 1395, 1953, 2011, 3255, 6033, 9765, 10055, 14077, 18099, 30165, 42231, 62341, 70385, 90495, 126693, 187023, 211155, 311705, 436387, 561069, 633465, 935115, 1309161, 2181935, 2805345, 3927483, 6545805, 19637415]

約数ペア:

[(1, 19637415), (3, 6545805), (5, 3927483), (7, 2805345), (9, 2181935), (15, 1309161), (21, 935115), (31, 633465), (35, 561069), (45, 436387), (63, 311705), (93, 211155), (105, 187023), (155, 126693), (217, 90495), (279, 70385), (315, 62341), (465, 42231), (651, 30165), (1085, 18099), (1395, 14077), (1953, 10055), (2011, 9765), (3255, 6033)]