19874988

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{593}}^1$

素因数の和:636

約数の個数: 108

約数和(自身を含む): 61621560

約数和(自身を除く): 41746572

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 49, 57, 63, 76, 84, 98, 114, 126, 133, 147, 171, 196, 228, 252, 266, 294, 342, 399, 441, 532, 588, 593, 684, 798, 882, 931, 1186, 1197, 1596, 1764, 1779, 1862, 2372, 2394, 2793, 3558, 3724, 4151, 4788, 5337, 5586, 7116, 8302, 8379, 10674, 11172, 11267, 12453, 16604, 16758, 21348, 22534, 24906, 29057, 33516, 33801, 37359, 45068, 49812, 58114, 67602, 74718, 78869, 87171, 101403, 116228, 135204, 149436, 157738, 174342, 202806, 236607, 261513, 315476, 348684, 405612, 473214, 523026, 552083, 709821, 946428, 1046052, 1104166, 1419642, 1656249, 2208332, 2839284, 3312498, 4968747, 6624996, 9937494, 19874988]

約数ペア:

[(1, 19874988), (2, 9937494), (3, 6624996), (4, 4968747), (6, 3312498), (7, 2839284), (9, 2208332), (12, 1656249), (14, 1419642), (18, 1104166), (19, 1046052), (21, 946428), (28, 709821), (36, 552083), (38, 523026), (42, 473214), (49, 405612), (57, 348684), (63, 315476), (76, 261513), (84, 236607), (98, 202806), (114, 174342), (126, 157738), (133, 149436), (147, 135204), (171, 116228), (196, 101403), (228, 87171), (252, 78869), (266, 74718), (294, 67602), (342, 58114), (399, 49812), (441, 45068), (532, 37359), (588, 33801), (593, 33516), (684, 29057), (798, 24906), (882, 22534), (931, 21348), (1186, 16758), (1197, 16604), (1596, 12453), (1764, 11267), (1779, 11172), (1862, 10674), (2372, 8379), (2394, 8302), (2793, 7116), (3558, 5586), (3724, 5337), (4151, 4788)]