18286212

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:385

約数の個数: 72

約数和(自身を含む): 50216544

約数和(自身を除く): 31930332

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 137, 147, 196, 227, 274, 294, 411, 454, 548, 588, 681, 822, 908, 959, 1362, 1589, 1644, 1918, 2724, 2877, 3178, 3836, 4767, 5754, 6356, 6713, 9534, 11123, 11508, 13426, 19068, 20139, 22246, 26852, 31099, 33369, 40278, 44492, 62198, 66738, 80556, 93297, 124396, 133476, 186594, 217693, 373188, 435386, 653079, 870772, 1306158, 1523851, 2612316, 3047702, 4571553, 6095404, 9143106, 18286212]

約数ペア:

[(1, 18286212), (2, 9143106), (3, 6095404), (4, 4571553), (6, 3047702), (7, 2612316), (12, 1523851), (14, 1306158), (21, 870772), (28, 653079), (42, 435386), (49, 373188), (84, 217693), (98, 186594), (137, 133476), (147, 124396), (196, 93297), (227, 80556), (274, 66738), (294, 62198), (411, 44492), (454, 40278), (548, 33369), (588, 31099), (681, 26852), (822, 22246), (908, 20139), (959, 19068), (1362, 13426), (1589, 11508), (1644, 11123), (1918, 9534), (2724, 6713), (2877, 6356), (3178, 5754), (3836, 4767)]