19668690

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{751}}^1$

素因数の和:864

約数の個数: 64

約数和(自身を含む): 53061120

約数和(自身を除く): 33392430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 97, 135, 194, 270, 291, 485, 582, 751, 873, 970, 1455, 1502, 1746, 2253, 2619, 2910, 3755, 4365, 4506, 5238, 6759, 7510, 8730, 11265, 13095, 13518, 20277, 22530, 26190, 33795, 40554, 67590, 72847, 101385, 145694, 202770, 218541, 364235, 437082, 655623, 728470, 1092705, 1311246, 1966869, 2185410, 3278115, 3933738, 6556230, 9834345, 19668690]

約数ペア:

[(1, 19668690), (2, 9834345), (3, 6556230), (5, 3933738), (6, 3278115), (9, 2185410), (10, 1966869), (15, 1311246), (18, 1092705), (27, 728470), (30, 655623), (45, 437082), (54, 364235), (90, 218541), (97, 202770), (135, 145694), (194, 101385), (270, 72847), (291, 67590), (485, 40554), (582, 33795), (751, 26190), (873, 22530), (970, 20277), (1455, 13518), (1502, 13095), (1746, 11265), (2253, 8730), (2619, 7510), (2910, 6759), (3755, 5238), (4365, 4506)]