18884628

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{547}}^1$

素因数の和:701

約数の個数: 72

約数和(自身を含む): 55054272

約数和(自身を除く): 36169644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 137, 252, 274, 411, 547, 548, 822, 959, 1094, 1233, 1641, 1644, 1918, 2188, 2466, 2877, 3282, 3829, 3836, 4923, 4932, 5754, 6564, 7658, 8631, 9846, 11487, 11508, 15316, 17262, 19692, 22974, 34461, 34524, 45948, 68922, 74939, 137844, 149878, 224817, 299756, 449634, 524573, 674451, 899268, 1049146, 1348902, 1573719, 2098292, 2697804, 3147438, 4721157, 6294876, 9442314, 18884628]

約数ペア:

[(1, 18884628), (2, 9442314), (3, 6294876), (4, 4721157), (6, 3147438), (7, 2697804), (9, 2098292), (12, 1573719), (14, 1348902), (18, 1049146), (21, 899268), (28, 674451), (36, 524573), (42, 449634), (63, 299756), (84, 224817), (126, 149878), (137, 137844), (252, 74939), (274, 68922), (411, 45948), (547, 34524), (548, 34461), (822, 22974), (959, 19692), (1094, 17262), (1233, 15316), (1641, 11508), (1644, 11487), (1918, 9846), (2188, 8631), (2466, 7658), (2877, 6564), (3282, 5754), (3829, 4932), (3836, 4923)]