19894644

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7177}}^1$

素因数の和:7205

約数の個数: 72

約数和(自身を含む): 62707008

約数和(自身を除く): 42812364

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 924, 1386, 2772, 7177, 14354, 21531, 28708, 43062, 50239, 64593, 78947, 86124, 100478, 129186, 150717, 157894, 200956, 236841, 258372, 301434, 315788, 452151, 473682, 552629, 602868, 710523, 904302, 947364, 1105258, 1421046, 1657887, 1808604, 2210516, 2842092, 3315774, 4973661, 6631548, 9947322, 19894644]

約数ペア:

[(1, 19894644), (2, 9947322), (3, 6631548), (4, 4973661), (6, 3315774), (7, 2842092), (9, 2210516), (11, 1808604), (12, 1657887), (14, 1421046), (18, 1105258), (21, 947364), (22, 904302), (28, 710523), (33, 602868), (36, 552629), (42, 473682), (44, 452151), (63, 315788), (66, 301434), (77, 258372), (84, 236841), (99, 200956), (126, 157894), (132, 150717), (154, 129186), (198, 100478), (231, 86124), (252, 78947), (308, 64593), (396, 50239), (462, 43062), (693, 28708), (924, 21531), (1386, 14354), (2772, 7177)]