19976152

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:392

約数の個数: 64

約数和(自身を含む): 45527040

約数和(自身を除く): 25550888

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 37, 56, 62, 74, 124, 148, 217, 248, 259, 296, 311, 434, 518, 622, 868, 1036, 1147, 1244, 1736, 2072, 2177, 2294, 2488, 4354, 4588, 8029, 8708, 9176, 9641, 11507, 16058, 17416, 19282, 23014, 32116, 38564, 46028, 64232, 67487, 77128, 80549, 92056, 134974, 161098, 269948, 322196, 356717, 539896, 644392, 713434, 1426868, 2497019, 2853736, 4994038, 9988076, 19976152]

約数ペア:

[(1, 19976152), (2, 9988076), (4, 4994038), (7, 2853736), (8, 2497019), (14, 1426868), (28, 713434), (31, 644392), (37, 539896), (56, 356717), (62, 322196), (74, 269948), (124, 161098), (148, 134974), (217, 92056), (248, 80549), (259, 77128), (296, 67487), (311, 64232), (434, 46028), (518, 38564), (622, 32116), (868, 23014), (1036, 19282), (1147, 17416), (1244, 16058), (1736, 11507), (2072, 9641), (2177, 9176), (2294, 8708), (2488, 8029), (4354, 4588)]