19973970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5413}}^1$

素因数の和:5467

約数の個数: 48

約数和(自身を含む): 53208792

約数和(自身を除く): 33234822

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 41, 45, 82, 90, 123, 205, 246, 369, 410, 615, 738, 1230, 1845, 3690, 5413, 10826, 16239, 27065, 32478, 48717, 54130, 81195, 97434, 162390, 221933, 243585, 443866, 487170, 665799, 1109665, 1331598, 1997397, 2219330, 3328995, 3994794, 6657990, 9986985, 19973970]

約数ペア:

[(1, 19973970), (2, 9986985), (3, 6657990), (5, 3994794), (6, 3328995), (9, 2219330), (10, 1997397), (15, 1331598), (18, 1109665), (30, 665799), (41, 487170), (45, 443866), (82, 243585), (90, 221933), (123, 162390), (205, 97434), (246, 81195), (369, 54130), (410, 48717), (615, 32478), (738, 27065), (1230, 16239), (1845, 10826), (3690, 5413)]