19525040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7873}}^1$

素因数の和:7917

約数の個数: 40

約数和(自身を含む): 46866048

約数和(自身を除く): 27341008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 7873, 15746, 31492, 39365, 62984, 78730, 125968, 157460, 244063, 314920, 488126, 629840, 976252, 1220315, 1952504, 2440630, 3905008, 4881260, 9762520, 19525040]

約数ペア:

[(1, 19525040), (2, 9762520), (4, 4881260), (5, 3905008), (8, 2440630), (10, 1952504), (16, 1220315), (20, 976252), (31, 629840), (40, 488126), (62, 314920), (80, 244063), (124, 157460), (155, 125968), (248, 78730), (310, 62984), (496, 39365), (620, 31492), (1240, 15746), (2480, 7873)]