19650870

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{997}}^1$

素因数の和:1086

約数の個数: 64

約数和(自身を含む): 53173440

約数和(自身を除く): 33522570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 73, 90, 135, 146, 219, 270, 365, 438, 657, 730, 997, 1095, 1314, 1971, 1994, 2190, 2991, 3285, 3942, 4985, 5982, 6570, 8973, 9855, 9970, 14955, 17946, 19710, 26919, 29910, 44865, 53838, 72781, 89730, 134595, 145562, 218343, 269190, 363905, 436686, 655029, 727810, 1091715, 1310058, 1965087, 2183430, 3275145, 3930174, 6550290, 9825435, 19650870]

約数ペア:

[(1, 19650870), (2, 9825435), (3, 6550290), (5, 3930174), (6, 3275145), (9, 2183430), (10, 1965087), (15, 1310058), (18, 1091715), (27, 727810), (30, 655029), (45, 436686), (54, 363905), (73, 269190), (90, 218343), (135, 145562), (146, 134595), (219, 89730), (270, 72781), (365, 53838), (438, 44865), (657, 29910), (730, 26919), (997, 19710), (1095, 17946), (1314, 14955), (1971, 9970), (1994, 9855), (2190, 8973), (2991, 6570), (3285, 5982), (3942, 4985)]