18704808

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{3659}}^1$

素因数の和:3742

約数の個数: 48

約数和(自身を含む): 51386400

約数和(自身を除く): 32681592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 426, 568, 639, 852, 1278, 1704, 2556, 3659, 5112, 7318, 10977, 14636, 21954, 29272, 32931, 43908, 65862, 87816, 131724, 259789, 263448, 519578, 779367, 1039156, 1558734, 2078312, 2338101, 3117468, 4676202, 6234936, 9352404, 18704808]

約数ペア:

[(1, 18704808), (2, 9352404), (3, 6234936), (4, 4676202), (6, 3117468), (8, 2338101), (9, 2078312), (12, 1558734), (18, 1039156), (24, 779367), (36, 519578), (71, 263448), (72, 259789), (142, 131724), (213, 87816), (284, 65862), (426, 43908), (568, 32931), (639, 29272), (852, 21954), (1278, 14636), (1704, 10977), (2556, 7318), (3659, 5112)]