19815588

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{3257}}^1$

素因数の和:3293

約数の個数: 54

約数和(自身を含む): 54255474

約数和(自身を除く): 34439886

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 169, 234, 338, 468, 507, 676, 1014, 1521, 2028, 3042, 3257, 6084, 6514, 9771, 13028, 19542, 29313, 39084, 42341, 58626, 84682, 117252, 127023, 169364, 254046, 381069, 508092, 550433, 762138, 1100866, 1524276, 1651299, 2201732, 3302598, 4953897, 6605196, 9907794, 19815588]

約数ペア:

[(1, 19815588), (2, 9907794), (3, 6605196), (4, 4953897), (6, 3302598), (9, 2201732), (12, 1651299), (13, 1524276), (18, 1100866), (26, 762138), (36, 550433), (39, 508092), (52, 381069), (78, 254046), (117, 169364), (156, 127023), (169, 117252), (234, 84682), (338, 58626), (468, 42341), (507, 39084), (676, 29313), (1014, 19542), (1521, 13028), (2028, 9771), (3042, 6514), (3257, 6084)]