18739168

素因数分解:

$2^5\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:97

約数の個数: 144

約数和(自身を含む): 49124880

約数和(自身を除く): 30385712

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 32, 34, 37, 38, 49, 56, 68, 74, 76, 98, 112, 119, 133, 136, 148, 152, 196, 224, 238, 259, 266, 272, 296, 304, 323, 392, 476, 518, 532, 544, 592, 608, 629, 646, 703, 784, 833, 931, 952, 1036, 1064, 1184, 1258, 1292, 1406, 1568, 1666, 1813, 1862, 1904, 2072, 2128, 2261, 2516, 2584, 2812, 3332, 3626, 3724, 3808, 4144, 4256, 4403, 4522, 4921, 5032, 5168, 5624, 6664, 7252, 7448, 8288, 8806, 9044, 9842, 10064, 10336, 11248, 11951, 13328, 14504, 14896, 15827, 17612, 18088, 19684, 20128, 22496, 23902, 26656, 29008, 29792, 30821, 31654, 34447, 35224, 36176, 39368, 47804, 58016, 61642, 63308, 68894, 70448, 72352, 78736, 83657, 95608, 123284, 126616, 137788, 140896, 157472, 167314, 191216, 246568, 253232, 275576, 334628, 382432, 493136, 506464, 551152, 585599, 669256, 986272, 1102304, 1171198, 1338512, 2342396, 2677024, 4684792, 9369584, 18739168]

約数ペア:

[(1, 18739168), (2, 9369584), (4, 4684792), (7, 2677024), (8, 2342396), (14, 1338512), (16, 1171198), (17, 1102304), (19, 986272), (28, 669256), (32, 585599), (34, 551152), (37, 506464), (38, 493136), (49, 382432), (56, 334628), (68, 275576), (74, 253232), (76, 246568), (98, 191216), (112, 167314), (119, 157472), (133, 140896), (136, 137788), (148, 126616), (152, 123284), (196, 95608), (224, 83657), (238, 78736), (259, 72352), (266, 70448), (272, 68894), (296, 63308), (304, 61642), (323, 58016), (392, 47804), (476, 39368), (518, 36176), (532, 35224), (544, 34447), (592, 31654), (608, 30821), (629, 29792), (646, 29008), (703, 26656), (784, 23902), (833, 22496), (931, 20128), (952, 19684), (1036, 18088), (1064, 17612), (1184, 15827), (1258, 14896), (1292, 14504), (1406, 13328), (1568, 11951), (1666, 11248), (1813, 10336), (1862, 10064), (1904, 9842), (2072, 9044), (2128, 8806), (2261, 8288), (2516, 7448), (2584, 7252), (2812, 6664), (3332, 5624), (3626, 5168), (3724, 5032), (3808, 4921), (4144, 4522), (4256, 4403)]