19909650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{331}}^1\times {\mathrm{401}}^1$

素因数の和:747

約数の個数: 48

約数和(自身を含む): 49648608

約数和(自身を除く): 29738958

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 331, 401, 662, 802, 993, 1203, 1655, 1986, 2005, 2406, 3310, 4010, 4965, 6015, 8275, 9930, 10025, 12030, 16550, 20050, 24825, 30075, 49650, 60150, 132731, 265462, 398193, 663655, 796386, 1327310, 1990965, 3318275, 3981930, 6636550, 9954825, 19909650]

約数ペア:

[(1, 19909650), (2, 9954825), (3, 6636550), (5, 3981930), (6, 3318275), (10, 1990965), (15, 1327310), (25, 796386), (30, 663655), (50, 398193), (75, 265462), (150, 132731), (331, 60150), (401, 49650), (662, 30075), (802, 24825), (993, 20050), (1203, 16550), (1655, 12030), (1986, 10025), (2005, 9930), (2406, 8275), (3310, 6015), (4010, 4965)]