19803952

素因数分解:

$2^4\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1171}}^1$

素因数の和:1337

約数の個数: 40

約数和(自身を含む): 44179712

約数和(自身を除く): 24375760

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 151, 302, 604, 1057, 1171, 1208, 2114, 2342, 2416, 4228, 4684, 8197, 8456, 9368, 16394, 16912, 18736, 32788, 65576, 131152, 176821, 353642, 707284, 1237747, 1414568, 2475494, 2829136, 4950988, 9901976, 19803952]

約数ペア:

[(1, 19803952), (2, 9901976), (4, 4950988), (7, 2829136), (8, 2475494), (14, 1414568), (16, 1237747), (28, 707284), (56, 353642), (112, 176821), (151, 131152), (302, 65576), (604, 32788), (1057, 18736), (1171, 16912), (1208, 16394), (2114, 9368), (2342, 8456), (2416, 8197), (4228, 4684)]