17864420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{18229}}^1$

素因数の和:18252

約数の個数: 36

約数和(自身を含む): 43642620

約数和(自身を除く): 25778200

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 18229, 36458, 72916, 91145, 127603, 182290, 255206, 364580, 510412, 638015, 893221, 1276030, 1786442, 2552060, 3572884, 4466105, 8932210, 17864420]

約数ペア:

[(1, 17864420), (2, 8932210), (4, 4466105), (5, 3572884), (7, 2552060), (10, 1786442), (14, 1276030), (20, 893221), (28, 638015), (35, 510412), (49, 364580), (70, 255206), (98, 182290), (140, 127603), (196, 91145), (245, 72916), (490, 36458), (980, 18229)]