19716532

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{613}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 40848192

約数和(自身を除く): 21131660

約数列:

[1, 2, 4, 11, 17, 22, 34, 43, 44, 68, 86, 172, 187, 374, 473, 613, 731, 748, 946, 1226, 1462, 1892, 2452, 2924, 6743, 8041, 10421, 13486, 16082, 20842, 26359, 26972, 32164, 41684, 52718, 105436, 114631, 229262, 289949, 448103, 458524, 579898, 896206, 1159796, 1792412, 4929133, 9858266, 19716532]

約数ペア:

[(1, 19716532), (2, 9858266), (4, 4929133), (11, 1792412), (17, 1159796), (22, 896206), (34, 579898), (43, 458524), (44, 448103), (68, 289949), (86, 229262), (172, 114631), (187, 105436), (374, 52718), (473, 41684), (613, 32164), (731, 26972), (748, 26359), (946, 20842), (1226, 16082), (1462, 13486), (1892, 10421), (2452, 8041), (2924, 6743)]