18588232

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1$

素因数の和:470

約数の個数: 64

約数和(自身を含む): 41328000

約数和(自身を除く): 22739768

約数列:

[1, 2, 4, 8, 13, 19, 23, 26, 38, 46, 52, 76, 92, 104, 152, 184, 247, 299, 409, 437, 494, 598, 818, 874, 988, 1196, 1636, 1748, 1976, 2392, 3272, 3496, 5317, 5681, 7771, 9407, 10634, 11362, 15542, 18814, 21268, 22724, 31084, 37628, 42536, 45448, 62168, 75256, 101023, 122291, 178733, 202046, 244582, 357466, 404092, 489164, 714932, 808184, 978328, 1429864, 2323529, 4647058, 9294116, 18588232]

約数ペア:

[(1, 18588232), (2, 9294116), (4, 4647058), (8, 2323529), (13, 1429864), (19, 978328), (23, 808184), (26, 714932), (38, 489164), (46, 404092), (52, 357466), (76, 244582), (92, 202046), (104, 178733), (152, 122291), (184, 101023), (247, 75256), (299, 62168), (409, 45448), (437, 42536), (494, 37628), (598, 31084), (818, 22724), (874, 21268), (988, 18814), (1196, 15542), (1636, 11362), (1748, 10634), (1976, 9407), (2392, 7771), (3272, 5681), (3496, 5317)]