18894018

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 96

約数和(自身を含む): 47621952

約数和(自身を除く): 28727934

約数列:

[1, 2, 3, 6, 11, 13, 19, 22, 26, 33, 38, 39, 57, 61, 66, 78, 114, 122, 143, 183, 209, 247, 286, 361, 366, 418, 429, 494, 627, 671, 722, 741, 793, 858, 1083, 1159, 1254, 1342, 1482, 1586, 2013, 2166, 2318, 2379, 2717, 3477, 3971, 4026, 4693, 4758, 5434, 6954, 7942, 8151, 8723, 9386, 11913, 12749, 14079, 15067, 16302, 17446, 22021, 23826, 25498, 26169, 28158, 30134, 38247, 44042, 45201, 51623, 52338, 66063, 76494, 90402, 103246, 132126, 154869, 165737, 242231, 286273, 309738, 331474, 484462, 497211, 572546, 726693, 858819, 994422, 1453386, 1717638, 3149003, 6298006, 9447009, 18894018]

約数ペア:

[(1, 18894018), (2, 9447009), (3, 6298006), (6, 3149003), (11, 1717638), (13, 1453386), (19, 994422), (22, 858819), (26, 726693), (33, 572546), (38, 497211), (39, 484462), (57, 331474), (61, 309738), (66, 286273), (78, 242231), (114, 165737), (122, 154869), (143, 132126), (183, 103246), (209, 90402), (247, 76494), (286, 66063), (361, 52338), (366, 51623), (418, 45201), (429, 44042), (494, 38247), (627, 30134), (671, 28158), (722, 26169), (741, 25498), (793, 23826), (858, 22021), (1083, 17446), (1159, 16302), (1254, 15067), (1342, 14079), (1482, 12749), (1586, 11913), (2013, 9386), (2166, 8723), (2318, 8151), (2379, 7942), (2717, 6954), (3477, 5434), (3971, 4758), (4026, 4693)]