2019905820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2917}}^1\times {\mathrm{3847}}^1$

素因数の和:6779

約数の個数: 72

約数和(自身を含む): 6130741344

約数和(自身を除く): 4110835524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2917, 3847, 5834, 7694, 8751, 11541, 11668, 14585, 15388, 17502, 19235, 23082, 26253, 29170, 34623, 35004, 38470, 43755, 46164, 52506, 57705, 58340, 69246, 76940, 87510, 105012, 115410, 131265, 138492, 173115, 175020, 230820, 262530, 346230, 525060, 692460, 11221699, 22443398, 33665097, 44886796, 56108495, 67330194, 100995291, 112216990, 134660388, 168325485, 201990582, 224433980, 336650970, 403981164, 504976455, 673301940, 1009952910, 2019905820]

約数ペア:

[(1, 2019905820), (2, 1009952910), (3, 673301940), (4, 504976455), (5, 403981164), (6, 336650970), (9, 224433980), (10, 201990582), (12, 168325485), (15, 134660388), (18, 112216990), (20, 100995291), (30, 67330194), (36, 56108495), (45, 44886796), (60, 33665097), (90, 22443398), (180, 11221699), (2917, 692460), (3847, 525060), (5834, 346230), (7694, 262530), (8751, 230820), (11541, 175020), (11668, 173115), (14585, 138492), (15388, 131265), (17502, 115410), (19235, 105012), (23082, 87510), (26253, 76940), (29170, 69246), (34623, 58340), (35004, 57705), (38470, 52506), (43755, 46164)]