19836780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1847}}^1$

素因数の和:2038

約数の個数: 48

約数和(自身を含む): 55883520

約数和(自身を除く): 36046740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 179, 358, 537, 716, 895, 1074, 1790, 1847, 2148, 2685, 3580, 3694, 5370, 5541, 7388, 9235, 10740, 11082, 18470, 22164, 27705, 36940, 55410, 110820, 330613, 661226, 991839, 1322452, 1653065, 1983678, 3306130, 3967356, 4959195, 6612260, 9918390, 19836780]

約数ペア:

[(1, 19836780), (2, 9918390), (3, 6612260), (4, 4959195), (5, 3967356), (6, 3306130), (10, 1983678), (12, 1653065), (15, 1322452), (20, 991839), (30, 661226), (60, 330613), (179, 110820), (358, 55410), (537, 36940), (716, 27705), (895, 22164), (1074, 18470), (1790, 11082), (1847, 10740), (2148, 9235), (2685, 7388), (3580, 5541), (3694, 5370)]