18894616

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10687}}^1$

素因数の和:10723

約数の個数: 32

約数和(自身を含む): 40400640

約数和(自身を除く): 21506024

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 10687, 21374, 42748, 85496, 138931, 181679, 277862, 363358, 555724, 726716, 1111448, 1453432, 2361827, 4723654, 9447308, 18894616]

約数ペア:

[(1, 18894616), (2, 9447308), (4, 4723654), (8, 2361827), (13, 1453432), (17, 1111448), (26, 726716), (34, 555724), (52, 363358), (68, 277862), (104, 181679), (136, 138931), (221, 85496), (442, 42748), (884, 21374), (1768, 10687)]