18563608

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 42624000

約数和(自身を除く): 24060392

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 73, 76, 133, 146, 152, 239, 266, 292, 478, 511, 532, 584, 956, 1022, 1064, 1387, 1673, 1912, 2044, 2774, 3346, 4088, 4541, 5548, 6692, 9082, 9709, 11096, 13384, 17447, 18164, 19418, 31787, 34894, 36328, 38836, 63574, 69788, 77672, 122129, 127148, 139576, 244258, 254296, 331493, 488516, 662986, 977032, 1325972, 2320451, 2651944, 4640902, 9281804, 18563608]

約数ペア:

[(1, 18563608), (2, 9281804), (4, 4640902), (7, 2651944), (8, 2320451), (14, 1325972), (19, 977032), (28, 662986), (38, 488516), (56, 331493), (73, 254296), (76, 244258), (133, 139576), (146, 127148), (152, 122129), (239, 77672), (266, 69788), (292, 63574), (478, 38836), (511, 36328), (532, 34894), (584, 31787), (956, 19418), (1022, 18164), (1064, 17447), (1387, 13384), (1673, 11096), (1912, 9709), (2044, 9082), (2774, 6692), (3346, 5548), (4088, 4541)]