19317560

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11779}}^1$

素因数の和:11831

約数の個数: 32

約数和(自身を含む): 44528400

約数和(自身を除く): 25210840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 11779, 23558, 47116, 58895, 94232, 117790, 235580, 471160, 482939, 965878, 1931756, 2414695, 3863512, 4829390, 9658780, 19317560]

約数ペア:

[(1, 19317560), (2, 9658780), (4, 4829390), (5, 3863512), (8, 2414695), (10, 1931756), (20, 965878), (40, 482939), (41, 471160), (82, 235580), (164, 117790), (205, 94232), (328, 58895), (410, 47116), (820, 23558), (1640, 11779)]