18002348

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{137}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 41221152

約数和(自身を除く): 23218804

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 137, 182, 247, 266, 274, 361, 364, 494, 532, 548, 722, 959, 988, 1444, 1729, 1781, 1918, 2527, 2603, 3458, 3562, 3836, 4693, 5054, 5206, 6916, 7124, 9386, 10108, 10412, 12467, 18221, 18772, 24934, 32851, 33839, 36442, 49457, 49868, 65702, 67678, 72884, 98914, 131404, 135356, 197828, 236873, 346199, 473746, 642941, 692398, 947492, 1285882, 1384796, 2571764, 4500587, 9001174, 18002348]

約数ペア:

[(1, 18002348), (2, 9001174), (4, 4500587), (7, 2571764), (13, 1384796), (14, 1285882), (19, 947492), (26, 692398), (28, 642941), (38, 473746), (52, 346199), (76, 236873), (91, 197828), (133, 135356), (137, 131404), (182, 98914), (247, 72884), (266, 67678), (274, 65702), (361, 49868), (364, 49457), (494, 36442), (532, 33839), (548, 32851), (722, 24934), (959, 18772), (988, 18221), (1444, 12467), (1729, 10412), (1781, 10108), (1918, 9386), (2527, 7124), (2603, 6916), (3458, 5206), (3562, 5054), (3836, 4693)]