19809582

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{253969}}^1$

素因数の和:253987

約数の個数: 16

約数和(自身を含む): 42666960

約数和(自身を除く): 22857378

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 253969, 507938, 761907, 1523814, 3301597, 6603194, 9904791, 19809582]

約数ペア:

[(1, 19809582), (2, 9904791), (3, 6603194), (6, 3301597), (13, 1523814), (26, 761907), (39, 507938), (78, 253969)]