19808688

素因数分解:

$2^4\times 3^1\times {\mathrm{409}}^1\times {\mathrm{1009}}^1$

素因数の和:1429

約数の個数: 40

約数和(自身を含む): 51348400

約数和(自身を除く): 31539712

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 409, 818, 1009, 1227, 1636, 2018, 2454, 3027, 3272, 4036, 4908, 6054, 6544, 8072, 9816, 12108, 16144, 19632, 24216, 48432, 412681, 825362, 1238043, 1650724, 2476086, 3301448, 4952172, 6602896, 9904344, 19808688]

約数ペア:

[(1, 19808688), (2, 9904344), (3, 6602896), (4, 4952172), (6, 3301448), (8, 2476086), (12, 1650724), (16, 1238043), (24, 825362), (48, 412681), (409, 48432), (818, 24216), (1009, 19632), (1227, 16144), (1636, 12108), (2018, 9816), (2454, 8072), (3027, 6544), (3272, 6054), (4036, 4908)]