19968710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1163}}^1$

素因数の和:1288

約数の個数: 32

約数和(自身を含む): 38467872

約数和(自身を除く): 18499162

約数列:

[1, 2, 5, 10, 17, 34, 85, 101, 170, 202, 505, 1010, 1163, 1717, 2326, 3434, 5815, 8585, 11630, 17170, 19771, 39542, 98855, 117463, 197710, 234926, 587315, 1174630, 1996871, 3993742, 9984355, 19968710]

約数ペア:

[(1, 19968710), (2, 9984355), (5, 3993742), (10, 1996871), (17, 1174630), (34, 587315), (85, 234926), (101, 197710), (170, 117463), (202, 98855), (505, 39542), (1010, 19771), (1163, 17170), (1717, 11630), (2326, 8585), (3434, 5815)]