19813836

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1087}}^1$

素因数の和:1139

約数の個数: 72

約数和(自身を含む): 55566336

約数和(自身を除く): 35752500

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 49, 62, 84, 93, 98, 124, 147, 186, 196, 217, 294, 372, 434, 588, 651, 868, 1087, 1302, 1519, 2174, 2604, 3038, 3261, 4348, 4557, 6076, 6522, 7609, 9114, 13044, 15218, 18228, 22827, 30436, 33697, 45654, 53263, 67394, 91308, 101091, 106526, 134788, 159789, 202182, 213052, 235879, 319578, 404364, 471758, 639156, 707637, 943516, 1415274, 1651153, 2830548, 3302306, 4953459, 6604612, 9906918, 19813836]

約数ペア:

[(1, 19813836), (2, 9906918), (3, 6604612), (4, 4953459), (6, 3302306), (7, 2830548), (12, 1651153), (14, 1415274), (21, 943516), (28, 707637), (31, 639156), (42, 471758), (49, 404364), (62, 319578), (84, 235879), (93, 213052), (98, 202182), (124, 159789), (147, 134788), (186, 106526), (196, 101091), (217, 91308), (294, 67394), (372, 53263), (434, 45654), (588, 33697), (651, 30436), (868, 22827), (1087, 18228), (1302, 15218), (1519, 13044), (2174, 9114), (2604, 7609), (3038, 6522), (3261, 6076), (4348, 4557)]