18966840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{883}}^1$

素因数の和:1076

約数の個数: 64

約数和(自身を含む): 57283200

約数和(自身を除く): 38316360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 179, 358, 537, 716, 883, 895, 1074, 1432, 1766, 1790, 2148, 2649, 2685, 3532, 3580, 4296, 4415, 5298, 5370, 7064, 7160, 8830, 10596, 10740, 13245, 17660, 21192, 21480, 26490, 35320, 52980, 105960, 158057, 316114, 474171, 632228, 790285, 948342, 1264456, 1580570, 1896684, 2370855, 3161140, 3793368, 4741710, 6322280, 9483420, 18966840]

約数ペア:

[(1, 18966840), (2, 9483420), (3, 6322280), (4, 4741710), (5, 3793368), (6, 3161140), (8, 2370855), (10, 1896684), (12, 1580570), (15, 1264456), (20, 948342), (24, 790285), (30, 632228), (40, 474171), (60, 316114), (120, 158057), (179, 105960), (358, 52980), (537, 35320), (716, 26490), (883, 21480), (895, 21192), (1074, 17660), (1432, 13245), (1766, 10740), (1790, 10596), (2148, 8830), (2649, 7160), (2685, 7064), (3532, 5370), (3580, 5298), (4296, 4415)]