19934820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{110749}}^1$

素因数の和:110764

約数の個数: 36

約数和(自身を含む): 60469500

約数和(自身を除く): 40534680

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 110749, 221498, 332247, 442996, 553745, 664494, 996741, 1107490, 1328988, 1661235, 1993482, 2214980, 3322470, 3986964, 4983705, 6644940, 9967410, 19934820]

約数ペア:

[(1, 19934820), (2, 9967410), (3, 6644940), (4, 4983705), (5, 3986964), (6, 3322470), (9, 2214980), (10, 1993482), (12, 1661235), (15, 1328988), (18, 1107490), (20, 996741), (30, 664494), (36, 553745), (45, 442996), (60, 332247), (90, 221498), (180, 110749)]