18835404

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 51787008

約数和(自身を除く): 32951604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 103, 147, 196, 206, 294, 309, 311, 412, 588, 618, 622, 721, 933, 1236, 1244, 1442, 1866, 2163, 2177, 2884, 3732, 4326, 4354, 5047, 6531, 8652, 8708, 10094, 13062, 15141, 15239, 20188, 26124, 30282, 30478, 32033, 45717, 60564, 60956, 64066, 91434, 96099, 128132, 182868, 192198, 224231, 384396, 448462, 672693, 896924, 1345386, 1569617, 2690772, 3139234, 4708851, 6278468, 9417702, 18835404]

約数ペア:

[(1, 18835404), (2, 9417702), (3, 6278468), (4, 4708851), (6, 3139234), (7, 2690772), (12, 1569617), (14, 1345386), (21, 896924), (28, 672693), (42, 448462), (49, 384396), (84, 224231), (98, 192198), (103, 182868), (147, 128132), (196, 96099), (206, 91434), (294, 64066), (309, 60956), (311, 60564), (412, 45717), (588, 32033), (618, 30478), (622, 30282), (721, 26124), (933, 20188), (1236, 15239), (1244, 15141), (1442, 13062), (1866, 10094), (2163, 8708), (2177, 8652), (2884, 6531), (3732, 5047), (4326, 4354)]