18639494

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{15823}}^1$

素因数の和:15875

約数の個数: 16

約数和(自身を含む): 30382080

約数和(自身を除く): 11742586

約数列:

[1, 2, 19, 31, 38, 62, 589, 1178, 15823, 31646, 300637, 490513, 601274, 981026, 9319747, 18639494]

約数ペア:

[(1, 18639494), (2, 9319747), (19, 981026), (31, 601274), (38, 490513), (62, 300637), (589, 31646), (1178, 15823)]