19684434

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{311}}^1$

素因数の和:471

約数の個数: 64

約数和(自身を含む): 49600512

約数和(自身を除く): 29916078

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 137, 154, 231, 274, 311, 411, 462, 622, 822, 933, 959, 1507, 1866, 1918, 2177, 2877, 3014, 3421, 4354, 4521, 5754, 6531, 6842, 9042, 10263, 10549, 13062, 20526, 21098, 23947, 31647, 42607, 47894, 63294, 71841, 85214, 127821, 143682, 255642, 298249, 468677, 596498, 894747, 937354, 1406031, 1789494, 2812062, 3280739, 6561478, 9842217, 19684434]

約数ペア:

[(1, 19684434), (2, 9842217), (3, 6561478), (6, 3280739), (7, 2812062), (11, 1789494), (14, 1406031), (21, 937354), (22, 894747), (33, 596498), (42, 468677), (66, 298249), (77, 255642), (137, 143682), (154, 127821), (231, 85214), (274, 71841), (311, 63294), (411, 47894), (462, 42607), (622, 31647), (822, 23947), (933, 21098), (959, 20526), (1507, 13062), (1866, 10549), (1918, 10263), (2177, 9042), (2877, 6842), (3014, 6531), (3421, 5754), (4354, 4521)]