19170190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{617}}^1$

素因数の和:876

約数の個数: 32

約数和(自身を含む): 37376640

約数和(自身を除く): 18206450

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 239, 478, 617, 1195, 1234, 2390, 3085, 3107, 6170, 6214, 8021, 15535, 16042, 31070, 40105, 80210, 147463, 294926, 737315, 1474630, 1917019, 3834038, 9585095, 19170190]

約数ペア:

[(1, 19170190), (2, 9585095), (5, 3834038), (10, 1917019), (13, 1474630), (26, 737315), (65, 294926), (130, 147463), (239, 80210), (478, 40105), (617, 31070), (1195, 16042), (1234, 15535), (2390, 8021), (3085, 6214), (3107, 6170)]