19849860

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{12253}}^1$

素因数の和:12274

約数の個数: 60

約数和(自身を含む): 62274828

約数和(自身を除く): 42424968

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 12253, 24506, 36759, 49012, 61265, 73518, 110277, 122530, 147036, 183795, 220554, 245060, 330831, 367590, 441108, 551385, 661662, 735180, 992493, 1102770, 1323324, 1654155, 1984986, 2205540, 3308310, 3969972, 4962465, 6616620, 9924930, 19849860]

約数ペア:

[(1, 19849860), (2, 9924930), (3, 6616620), (4, 4962465), (5, 3969972), (6, 3308310), (9, 2205540), (10, 1984986), (12, 1654155), (15, 1323324), (18, 1102770), (20, 992493), (27, 735180), (30, 661662), (36, 551385), (45, 441108), (54, 367590), (60, 330831), (81, 245060), (90, 220554), (108, 183795), (135, 147036), (162, 122530), (180, 110277), (270, 73518), (324, 61265), (405, 49012), (540, 36759), (810, 24506), (1620, 12253)]