19309838

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{7243}}^1$

素因数の和:7319

約数の個数: 16

約数和(自身を含む): 30598656

約数和(自身を除く): 11288818

約数列:

[1, 2, 31, 43, 62, 86, 1333, 2666, 7243, 14486, 224533, 311449, 449066, 622898, 9654919, 19309838]

約数ペア:

[(1, 19309838), (2, 9654919), (31, 622898), (43, 449066), (62, 311449), (86, 224533), (1333, 14486), (2666, 7243)]