19752429712

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{410551}}^1$

素因数の和:410687

約数の個数: 40

約数和(自身を含む): 39912223232

約数和(自身を除く): 20159793520

約数列:

[1, 2, 4, 8, 16, 31, 62, 97, 124, 194, 248, 388, 496, 776, 1552, 3007, 6014, 12028, 24056, 48112, 410551, 821102, 1642204, 3284408, 6568816, 12727081, 25454162, 39823447, 50908324, 79646894, 101816648, 159293788, 203633296, 318587576, 637175152, 1234526857, 2469053714, 4938107428, 9876214856, 19752429712]

約数ペア:

[(1, 19752429712), (2, 9876214856), (4, 4938107428), (8, 2469053714), (16, 1234526857), (31, 637175152), (62, 318587576), (97, 203633296), (124, 159293788), (194, 101816648), (248, 79646894), (388, 50908324), (496, 39823447), (776, 25454162), (1552, 12727081), (3007, 6568816), (6014, 3284408), (12028, 1642204), (24056, 821102), (48112, 410551)]