18810858

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1109}}^1$

素因数の和:1382

約数の個数: 32

約数和(自身を含む): 41238720

約数和(自身を除く): 22427862

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 257, 514, 771, 1109, 1542, 2218, 2827, 3327, 5654, 6654, 8481, 12199, 16962, 24398, 36597, 73194, 285013, 570026, 855039, 1710078, 3135143, 6270286, 9405429, 18810858]

約数ペア:

[(1, 18810858), (2, 9405429), (3, 6270286), (6, 3135143), (11, 1710078), (22, 855039), (33, 570026), (66, 285013), (257, 73194), (514, 36597), (771, 24398), (1109, 16962), (1542, 12199), (2218, 8481), (2827, 6654), (3327, 5654)]