19586240

素因数分解:

$2^6\times 5^1\times {\mathrm{97}}^1\times {\mathrm{631}}^1$

素因数の和:745

約数の個数: 56

約数和(自身を含む): 47195232

約数和(自身を除く): 27608992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 160, 194, 320, 388, 485, 631, 776, 970, 1262, 1552, 1940, 2524, 3104, 3155, 3880, 5048, 6208, 6310, 7760, 10096, 12620, 15520, 20192, 25240, 31040, 40384, 50480, 61207, 100960, 122414, 201920, 244828, 306035, 489656, 612070, 979312, 1224140, 1958624, 2448280, 3917248, 4896560, 9793120, 19586240]

約数ペア:

[(1, 19586240), (2, 9793120), (4, 4896560), (5, 3917248), (8, 2448280), (10, 1958624), (16, 1224140), (20, 979312), (32, 612070), (40, 489656), (64, 306035), (80, 244828), (97, 201920), (160, 122414), (194, 100960), (320, 61207), (388, 50480), (485, 40384), (631, 31040), (776, 25240), (970, 20192), (1262, 15520), (1552, 12620), (1940, 10096), (2524, 7760), (3104, 6310), (3155, 6208), (3880, 5048)]