19510850

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{6397}}^1$

素因数の和:6470

約数の個数: 24

約数和(自身を含む): 36890868

約数和(自身を除く): 17380018

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 305, 610, 1525, 3050, 6397, 12794, 31985, 63970, 159925, 319850, 390217, 780434, 1951085, 3902170, 9755425, 19510850]

約数ペア:

[(1, 19510850), (2, 9755425), (5, 3902170), (10, 1951085), (25, 780434), (50, 390217), (61, 319850), (122, 159925), (305, 63970), (610, 31985), (1525, 12794), (3050, 6397)]