19495970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149969}}^1$

素因数の和:149989

約数の個数: 16

約数和(自身を含む): 37792440

約数和(自身を除く): 18296470

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149969, 299938, 749845, 1499690, 1949597, 3899194, 9747985, 19495970]

約数ペア:

[(1, 19495970), (2, 9747985), (5, 3899194), (10, 1949597), (13, 1499690), (26, 749845), (65, 299938), (130, 149969)]