19813494

素因数分解:

$2^1\times 3^1\times {\mathrm{659}}^1\times {\mathrm{5011}}^1$

素因数の和:5675

約数の個数: 16

約数和(自身を含む): 39695040

約数和(自身を除く): 19881546

約数列:

[1, 2, 3, 6, 659, 1318, 1977, 3954, 5011, 10022, 15033, 30066, 3302249, 6604498, 9906747, 19813494]

約数ペア:

[(1, 19813494), (2, 9906747), (3, 6604498), (6, 3302249), (659, 30066), (1318, 15033), (1977, 10022), (3954, 5011)]