19010060

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 41489280

約数和(自身を除く): 22479220

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 97, 164, 194, 205, 239, 388, 410, 478, 485, 820, 956, 970, 1195, 1940, 2390, 3977, 4780, 7954, 9799, 15908, 19598, 19885, 23183, 39196, 39770, 46366, 48995, 79540, 92732, 97990, 115915, 195980, 231830, 463660, 950503, 1901006, 3802012, 4752515, 9505030, 19010060]

約数ペア:

[(1, 19010060), (2, 9505030), (4, 4752515), (5, 3802012), (10, 1901006), (20, 950503), (41, 463660), (82, 231830), (97, 195980), (164, 115915), (194, 97990), (205, 92732), (239, 79540), (388, 48995), (410, 46366), (478, 39770), (485, 39196), (820, 23183), (956, 19885), (970, 19598), (1195, 15908), (1940, 9799), (2390, 7954), (3977, 4780)]