19947156788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1789}}^1\times {\mathrm{12613}}^1$

素因数の和:14436

約数の個数: 48

約数和(自身を含む): 39829461840

約数和(自身を除く): 19882305052

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 1789, 3578, 7156, 12613, 23257, 25226, 30413, 46514, 50452, 60826, 93028, 121652, 163969, 214421, 327938, 395369, 428842, 655876, 790738, 857684, 1581476, 2787473, 5574946, 11149892, 22564657, 45129314, 90258628, 293340541, 383599169, 586681082, 767198338, 1173362164, 1534396676, 4986789197, 9973578394, 19947156788]

約数ペア:

[(1, 19947156788), (2, 9973578394), (4, 4986789197), (13, 1534396676), (17, 1173362164), (26, 767198338), (34, 586681082), (52, 383599169), (68, 293340541), (221, 90258628), (442, 45129314), (884, 22564657), (1789, 11149892), (3578, 5574946), (7156, 2787473), (12613, 1581476), (23257, 857684), (25226, 790738), (30413, 655876), (46514, 428842), (50452, 395369), (60826, 327938), (93028, 214421), (121652, 163969)]