201913888

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:290

約数の個数: 96

約数和(自身を含む): 450696960

約数和(自身を除く): 248783072

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 53, 79, 88, 106, 137, 158, 176, 212, 274, 316, 352, 424, 548, 583, 632, 848, 869, 1096, 1166, 1264, 1507, 1696, 1738, 2192, 2332, 2528, 3014, 3476, 4187, 4384, 4664, 6028, 6952, 7261, 8374, 9328, 10823, 12056, 13904, 14522, 16748, 18656, 21646, 24112, 27808, 29044, 33496, 43292, 46057, 48224, 58088, 66992, 79871, 86584, 92114, 116176, 119053, 133984, 159742, 173168, 184228, 232352, 238106, 319484, 346336, 368456, 476212, 573619, 638968, 736912, 952424, 1147238, 1277936, 1473824, 1904848, 2294476, 2555872, 3809696, 4588952, 6309809, 9177904, 12619618, 18355808, 25239236, 50478472, 100956944, 201913888]

約数ペア:

[(1, 201913888), (2, 100956944), (4, 50478472), (8, 25239236), (11, 18355808), (16, 12619618), (22, 9177904), (32, 6309809), (44, 4588952), (53, 3809696), (79, 2555872), (88, 2294476), (106, 1904848), (137, 1473824), (158, 1277936), (176, 1147238), (212, 952424), (274, 736912), (316, 638968), (352, 573619), (424, 476212), (548, 368456), (583, 346336), (632, 319484), (848, 238106), (869, 232352), (1096, 184228), (1166, 173168), (1264, 159742), (1507, 133984), (1696, 119053), (1738, 116176), (2192, 92114), (2332, 86584), (2528, 79871), (3014, 66992), (3476, 58088), (4187, 48224), (4384, 46057), (4664, 43292), (6028, 33496), (6952, 29044), (7261, 27808), (8374, 24112), (9328, 21646), (10823, 18656), (12056, 16748), (13904, 14522)]