18702190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{491}}^1$

素因数の和:804

約数の個数: 32

約数和(自身を含む): 36451296

約数和(自身を除く): 17749106

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 293, 491, 586, 982, 1465, 2455, 2930, 3809, 4910, 6383, 7618, 12766, 19045, 31915, 38090, 63830, 143863, 287726, 719315, 1438630, 1870219, 3740438, 9351095, 18702190]

約数ペア:

[(1, 18702190), (2, 9351095), (5, 3740438), (10, 1870219), (13, 1438630), (26, 719315), (65, 287726), (130, 143863), (293, 63830), (491, 38090), (586, 31915), (982, 19045), (1465, 12766), (2455, 7618), (2930, 6383), (3809, 4910)]