19963310

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:173

約数の個数: 64

約数和(自身を含む): 40279680

約数和(自身を除く): 20316370

約数列:

[1, 2, 5, 10, 23, 29, 41, 46, 58, 73, 82, 115, 145, 146, 205, 230, 290, 365, 410, 667, 730, 943, 1189, 1334, 1679, 1886, 2117, 2378, 2993, 3335, 3358, 4234, 4715, 5945, 5986, 6670, 8395, 9430, 10585, 11890, 14965, 16790, 21170, 27347, 29930, 48691, 54694, 68839, 86797, 97382, 136735, 137678, 173594, 243455, 273470, 344195, 433985, 486910, 688390, 867970, 1996331, 3992662, 9981655, 19963310]

約数ペア:

[(1, 19963310), (2, 9981655), (5, 3992662), (10, 1996331), (23, 867970), (29, 688390), (41, 486910), (46, 433985), (58, 344195), (73, 273470), (82, 243455), (115, 173594), (145, 137678), (146, 136735), (205, 97382), (230, 86797), (290, 68839), (365, 54694), (410, 48691), (667, 29930), (730, 27347), (943, 21170), (1189, 16790), (1334, 14965), (1679, 11890), (1886, 10585), (2117, 9430), (2378, 8395), (2993, 6670), (3335, 5986), (3358, 5945), (4234, 4715)]