19388950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1787}}^1$

素因数の和:1837

約数の個数: 48

約数和(自身を含む): 42568704

約数和(自身を除く): 23179754

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 50, 62, 70, 155, 175, 217, 310, 350, 434, 775, 1085, 1550, 1787, 2170, 3574, 5425, 8935, 10850, 12509, 17870, 25018, 44675, 55397, 62545, 89350, 110794, 125090, 276985, 312725, 387779, 553970, 625450, 775558, 1384925, 1938895, 2769850, 3877790, 9694475, 19388950]

約数ペア:

[(1, 19388950), (2, 9694475), (5, 3877790), (7, 2769850), (10, 1938895), (14, 1384925), (25, 775558), (31, 625450), (35, 553970), (50, 387779), (62, 312725), (70, 276985), (155, 125090), (175, 110794), (217, 89350), (310, 62545), (350, 55397), (434, 44675), (775, 25018), (1085, 17870), (1550, 12509), (1787, 10850), (2170, 8935), (3574, 5425)]