19897380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{36847}}^1$

素因数の和:36865

約数の個数: 48

約数和(自身を含む): 61904640

約数和(自身を除く): 42007260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 36847, 73694, 110541, 147388, 184235, 221082, 331623, 368470, 442164, 552705, 663246, 736940, 994869, 1105410, 1326492, 1658115, 1989738, 2210820, 3316230, 3979476, 4974345, 6632460, 9948690, 19897380]

約数ペア:

[(1, 19897380), (2, 9948690), (3, 6632460), (4, 4974345), (5, 3979476), (6, 3316230), (9, 2210820), (10, 1989738), (12, 1658115), (15, 1326492), (18, 1105410), (20, 994869), (27, 736940), (30, 663246), (36, 552705), (45, 442164), (54, 368470), (60, 331623), (90, 221082), (108, 184235), (135, 147388), (180, 110541), (270, 73694), (540, 36847)]