2019958003

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{5387}}^1$

素因数の和:5571

約数の個数: 32

約数和(自身を含む): 2569688064

約数和(自身を除く): 549730061

約数列:

[1, 7, 17, 23, 119, 137, 161, 391, 959, 2329, 2737, 3151, 5387, 16303, 22057, 37709, 53567, 91579, 123901, 374969, 641053, 738019, 867307, 2106317, 5166133, 12546323, 14744219, 16974437, 87824261, 118821059, 288565429, 2019958003]

約数ペア:

[(1, 2019958003), (7, 288565429), (17, 118821059), (23, 87824261), (119, 16974437), (137, 14744219), (161, 12546323), (391, 5166133), (959, 2106317), (2329, 867307), (2737, 738019), (3151, 641053), (5387, 374969), (16303, 123901), (22057, 91579), (37709, 53567)]