19406232

素因数分解:

$2^3\times 3^2\times {\mathrm{409}}^1\times {\mathrm{659}}^1$

素因数の和:1080

約数の個数: 48

約数和(自身を含む): 52767000

約数和(自身を除く): 33360768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 409, 659, 818, 1227, 1318, 1636, 1977, 2454, 2636, 3272, 3681, 3954, 4908, 5272, 5931, 7362, 7908, 9816, 11862, 14724, 15816, 23724, 29448, 47448, 269531, 539062, 808593, 1078124, 1617186, 2156248, 2425779, 3234372, 4851558, 6468744, 9703116, 19406232]

約数ペア:

[(1, 19406232), (2, 9703116), (3, 6468744), (4, 4851558), (6, 3234372), (8, 2425779), (9, 2156248), (12, 1617186), (18, 1078124), (24, 808593), (36, 539062), (72, 269531), (409, 47448), (659, 29448), (818, 23724), (1227, 15816), (1318, 14724), (1636, 11862), (1977, 9816), (2454, 7908), (2636, 7362), (3272, 5931), (3681, 5272), (3954, 4908)]