19815670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:397

約数の個数: 64

約数和(自身を含む): 43960320

約数和(自身を除く): 24144650

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 47, 70, 94, 95, 133, 190, 235, 266, 317, 329, 470, 634, 658, 665, 893, 1330, 1585, 1645, 1786, 2219, 3170, 3290, 4438, 4465, 6023, 6251, 8930, 11095, 12046, 12502, 14899, 22190, 29798, 30115, 31255, 42161, 60230, 62510, 74495, 84322, 104293, 148990, 208586, 210805, 283081, 421610, 521465, 566162, 1042930, 1415405, 1981567, 2830810, 3963134, 9907835, 19815670]

約数ペア:

[(1, 19815670), (2, 9907835), (5, 3963134), (7, 2830810), (10, 1981567), (14, 1415405), (19, 1042930), (35, 566162), (38, 521465), (47, 421610), (70, 283081), (94, 210805), (95, 208586), (133, 148990), (190, 104293), (235, 84322), (266, 74495), (317, 62510), (329, 60230), (470, 42161), (634, 31255), (658, 30115), (665, 29798), (893, 22190), (1330, 14899), (1585, 12502), (1645, 12046), (1786, 11095), (2219, 8930), (3170, 6251), (3290, 6023), (4438, 4465)]