1918382015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{4507}}^1$

素因数の和:4703

約数の個数: 32

約数和(自身を含む): 2570641920

約数和(自身を除く): 652259905

約数列:

[1, 5, 11, 55, 71, 109, 355, 545, 781, 1199, 3905, 4507, 5995, 7739, 22535, 38695, 49577, 85129, 247885, 319997, 425645, 491263, 1599985, 2456315, 3519967, 5403893, 17599835, 27019465, 34879673, 174398365, 383676403, 1918382015]

約数ペア:

[(1, 1918382015), (5, 383676403), (11, 174398365), (55, 34879673), (71, 27019465), (109, 17599835), (355, 5403893), (545, 3519967), (781, 2456315), (1199, 1599985), (3905, 491263), (4507, 425645), (5995, 319997), (7739, 247885), (22535, 85129), (38695, 49577)]