19312880

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{3307}}^1$

素因数の和:3393

約数の個数: 40

約数和(自身を含む): 45531312

約数和(自身を除く): 26218432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 3307, 5840, 6614, 13228, 16535, 26456, 33070, 52912, 66140, 132280, 241411, 264560, 482822, 965644, 1207055, 1931288, 2414110, 3862576, 4828220, 9656440, 19312880]

約数ペア:

[(1, 19312880), (2, 9656440), (4, 4828220), (5, 3862576), (8, 2414110), (10, 1931288), (16, 1207055), (20, 965644), (40, 482822), (73, 264560), (80, 241411), (146, 132280), (292, 66140), (365, 52912), (584, 33070), (730, 26456), (1168, 16535), (1460, 13228), (2920, 6614), (3307, 5840)]