19246250

素因数分解:

$2^1\times 5^4\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:284

約数の個数: 40

約数和(自身を含む): 36691380

約数和(自身を除く): 17445130

約数列:

[1, 2, 5, 10, 25, 50, 89, 125, 173, 178, 250, 346, 445, 625, 865, 890, 1250, 1730, 2225, 4325, 4450, 8650, 11125, 15397, 21625, 22250, 30794, 43250, 55625, 76985, 108125, 111250, 153970, 216250, 384925, 769850, 1924625, 3849250, 9623125, 19246250]

約数ペア:

[(1, 19246250), (2, 9623125), (5, 3849250), (10, 1924625), (25, 769850), (50, 384925), (89, 216250), (125, 153970), (173, 111250), (178, 108125), (250, 76985), (346, 55625), (445, 43250), (625, 30794), (865, 22250), (890, 21625), (1250, 15397), (1730, 11125), (2225, 8650), (4325, 4450)]