19512660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{811}}^1$

素因数の和:1224

約数の個数: 48

約数和(自身を含む): 54839232

約数和(自身を除く): 35326572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 401, 802, 811, 1203, 1604, 1622, 2005, 2406, 2433, 3244, 4010, 4055, 4812, 4866, 6015, 8020, 8110, 9732, 12030, 12165, 16220, 24060, 24330, 48660, 325211, 650422, 975633, 1300844, 1626055, 1951266, 3252110, 3902532, 4878165, 6504220, 9756330, 19512660]

約数ペア:

[(1, 19512660), (2, 9756330), (3, 6504220), (4, 4878165), (5, 3902532), (6, 3252110), (10, 1951266), (12, 1626055), (15, 1300844), (20, 975633), (30, 650422), (60, 325211), (401, 48660), (802, 24330), (811, 24060), (1203, 16220), (1604, 12165), (1622, 12030), (2005, 9732), (2406, 8110), (2433, 8020), (3244, 6015), (4010, 4866), (4055, 4812)]