19175820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{797}}^1$

素因数の和:1210

約数の個数: 48

約数和(自身を含む): 53893728

約数和(自身を除く): 34717908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 401, 797, 802, 1203, 1594, 1604, 2005, 2391, 2406, 3188, 3985, 4010, 4782, 4812, 6015, 7970, 8020, 9564, 11955, 12030, 15940, 23910, 24060, 47820, 319597, 639194, 958791, 1278388, 1597985, 1917582, 3195970, 3835164, 4793955, 6391940, 9587910, 19175820]

約数ペア:

[(1, 19175820), (2, 9587910), (3, 6391940), (4, 4793955), (5, 3835164), (6, 3195970), (10, 1917582), (12, 1597985), (15, 1278388), (20, 958791), (30, 639194), (60, 319597), (401, 47820), (797, 24060), (802, 23910), (1203, 15940), (1594, 12030), (1604, 11955), (2005, 9564), (2391, 8020), (2406, 7970), (3188, 6015), (3985, 4812), (4010, 4782)]