19386250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{1193}}^1$

素因数の和:1228

約数の個数: 40

約数和(自身を含む): 39165588

約数和(自身を除く): 19779338

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 1193, 1250, 1625, 2386, 3250, 5965, 8125, 11930, 15509, 16250, 29825, 31018, 59650, 77545, 149125, 155090, 298250, 387725, 745625, 775450, 1491250, 1938625, 3877250, 9693125, 19386250]

約数ペア:

[(1, 19386250), (2, 9693125), (5, 3877250), (10, 1938625), (13, 1491250), (25, 775450), (26, 745625), (50, 387725), (65, 298250), (125, 155090), (130, 149125), (250, 77545), (325, 59650), (625, 31018), (650, 29825), (1193, 16250), (1250, 15509), (1625, 11930), (2386, 8125), (3250, 5965)]