19447980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{11177}}^1$

素因数の和:11218

約数の個数: 48

約数和(自身を含む): 56337120

約数和(自身を除く): 36889140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 11177, 22354, 33531, 44708, 55885, 67062, 111770, 134124, 167655, 223540, 324133, 335310, 648266, 670620, 972399, 1296532, 1620665, 1944798, 3241330, 3889596, 4861995, 6482660, 9723990, 19447980]

約数ペア:

[(1, 19447980), (2, 9723990), (3, 6482660), (4, 4861995), (5, 3889596), (6, 3241330), (10, 1944798), (12, 1620665), (15, 1296532), (20, 972399), (29, 670620), (30, 648266), (58, 335310), (60, 324133), (87, 223540), (116, 167655), (145, 134124), (174, 111770), (290, 67062), (348, 55885), (435, 44708), (580, 33531), (870, 22354), (1740, 11177)]