19679045505

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2639711}}^1$

素因数の和:2639797

約数の個数: 32

約数和(自身を含む): 36491378688

約数和(自身を除く): 16812333183

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 105, 213, 355, 497, 1065, 1491, 2485, 7455, 2639711, 7919133, 13198555, 18477977, 39595665, 55433931, 92389885, 187419481, 277169655, 562258443, 937097405, 1311936367, 2811292215, 3935809101, 6559681835, 19679045505]

約数ペア:

[(1, 19679045505), (3, 6559681835), (5, 3935809101), (7, 2811292215), (15, 1311936367), (21, 937097405), (35, 562258443), (71, 277169655), (105, 187419481), (213, 92389885), (355, 55433931), (497, 39595665), (1065, 18477977), (1491, 13198555), (2485, 7919133), (7455, 2639711)]