19726728

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4049}}^1$

素因数の和:4094

約数の個数: 64

約数和(自身を含む): 58320000

約数和(自身を除く): 38593272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 29, 42, 56, 58, 84, 87, 116, 168, 174, 203, 232, 348, 406, 609, 696, 812, 1218, 1624, 2436, 4049, 4872, 8098, 12147, 16196, 24294, 28343, 32392, 48588, 56686, 85029, 97176, 113372, 117421, 170058, 226744, 234842, 340116, 352263, 469684, 680232, 704526, 821947, 939368, 1409052, 1643894, 2465841, 2818104, 3287788, 4931682, 6575576, 9863364, 19726728]

約数ペア:

[(1, 19726728), (2, 9863364), (3, 6575576), (4, 4931682), (6, 3287788), (7, 2818104), (8, 2465841), (12, 1643894), (14, 1409052), (21, 939368), (24, 821947), (28, 704526), (29, 680232), (42, 469684), (56, 352263), (58, 340116), (84, 234842), (87, 226744), (116, 170058), (168, 117421), (174, 113372), (203, 97176), (232, 85029), (348, 56686), (406, 48588), (609, 32392), (696, 28343), (812, 24294), (1218, 16196), (1624, 12147), (2436, 8098), (4049, 4872)]