18347397124

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{571}}^1\times {\mathrm{2309}}^1$

素因数の和:2969

約数の個数: 72

約数和(自身を含む): 37958880960

約数和(自身を除く): 19611483836

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 98, 142, 196, 284, 497, 571, 994, 1142, 1988, 2284, 2309, 3479, 3997, 4618, 6958, 7994, 9236, 13916, 15988, 16163, 27979, 32326, 40541, 55958, 64652, 81082, 111916, 113141, 162164, 163939, 226282, 283787, 327878, 452564, 567574, 655756, 1135148, 1147573, 1318439, 1986509, 2295146, 2636878, 3973018, 4590292, 5273756, 7946036, 8033011, 9229073, 16066022, 18458146, 32132044, 36916292, 64603511, 93609169, 129207022, 187218338, 258414044, 374436676, 655264183, 1310528366, 2621056732, 4586849281, 9173698562, 18347397124]

約数ペア:

[(1, 18347397124), (2, 9173698562), (4, 4586849281), (7, 2621056732), (14, 1310528366), (28, 655264183), (49, 374436676), (71, 258414044), (98, 187218338), (142, 129207022), (196, 93609169), (284, 64603511), (497, 36916292), (571, 32132044), (994, 18458146), (1142, 16066022), (1988, 9229073), (2284, 8033011), (2309, 7946036), (3479, 5273756), (3997, 4590292), (4618, 3973018), (6958, 2636878), (7994, 2295146), (9236, 1986509), (13916, 1318439), (15988, 1147573), (16163, 1135148), (27979, 655756), (32326, 567574), (40541, 452564), (55958, 327878), (64652, 283787), (81082, 226282), (111916, 163939), (113141, 162164)]