19426456

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{8461}}^1$

素因数の和:8515

約数の個数: 32

約数和(自身を含む): 42648480

約数和(自身を除く): 23222024

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 8461, 16922, 33844, 59227, 67688, 118454, 236908, 346901, 473816, 693802, 1387604, 2428307, 2775208, 4856614, 9713228, 19426456]

約数ペア:

[(1, 19426456), (2, 9713228), (4, 4856614), (7, 2775208), (8, 2428307), (14, 1387604), (28, 693802), (41, 473816), (56, 346901), (82, 236908), (164, 118454), (287, 67688), (328, 59227), (574, 33844), (1148, 16922), (2296, 8461)]