19750736

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{72613}}^1$

素因数の和:72638

約数の個数: 20

約数和(自身を含む): 40518612

約数和(自身を除く): 20767876

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 72613, 145226, 290452, 580904, 1161808, 1234421, 2468842, 4937684, 9875368, 19750736]

約数ペア:

[(1, 19750736), (2, 9875368), (4, 4937684), (8, 2468842), (16, 1234421), (17, 1161808), (34, 580904), (68, 290452), (136, 145226), (272, 72613)]