19910745864

素因数分解:

$2^3\times 3^3\times {\mathrm{139}}^1\times {\mathrm{663161}}^1$

素因数の和:663315

約数の個数: 64

約数和(自身を含む): 55705608000

約数和(自身を除く): 35794862136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 139, 216, 278, 417, 556, 834, 1112, 1251, 1668, 2502, 3336, 3753, 5004, 7506, 10008, 15012, 30024, 663161, 1326322, 1989483, 2652644, 3978966, 5305288, 5968449, 7957932, 11936898, 15915864, 17905347, 23873796, 35810694, 47747592, 71621388, 92179379, 143242776, 184358758, 276538137, 368717516, 553076274, 737435032, 829614411, 1106152548, 1659228822, 2212305096, 2488843233, 3318457644, 4977686466, 6636915288, 9955372932, 19910745864]

約数ペア:

[(1, 19910745864), (2, 9955372932), (3, 6636915288), (4, 4977686466), (6, 3318457644), (8, 2488843233), (9, 2212305096), (12, 1659228822), (18, 1106152548), (24, 829614411), (27, 737435032), (36, 553076274), (54, 368717516), (72, 276538137), (108, 184358758), (139, 143242776), (216, 92179379), (278, 71621388), (417, 47747592), (556, 35810694), (834, 23873796), (1112, 17905347), (1251, 15915864), (1668, 11936898), (2502, 7957932), (3336, 5968449), (3753, 5305288), (5004, 3978966), (7506, 2652644), (10008, 1989483), (15012, 1326322), (30024, 663161)]