18837440

素因数分解:

$2^6\times 5^1\times {\mathrm{37}}^2\times {\mathrm{43}}^1$

素因数の和:134

約数の個数: 84

約数和(自身を含む): 47173896

約数和(自身を除く): 28336456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 43, 64, 74, 80, 86, 148, 160, 172, 185, 215, 296, 320, 344, 370, 430, 592, 688, 740, 860, 1184, 1369, 1376, 1480, 1591, 1720, 2368, 2738, 2752, 2960, 3182, 3440, 5476, 5920, 6364, 6845, 6880, 7955, 10952, 11840, 12728, 13690, 13760, 15910, 21904, 25456, 27380, 31820, 43808, 50912, 54760, 58867, 63640, 87616, 101824, 109520, 117734, 127280, 219040, 235468, 254560, 294335, 438080, 470936, 509120, 588670, 941872, 1177340, 1883744, 2354680, 3767488, 4709360, 9418720, 18837440]

約数ペア:

[(1, 18837440), (2, 9418720), (4, 4709360), (5, 3767488), (8, 2354680), (10, 1883744), (16, 1177340), (20, 941872), (32, 588670), (37, 509120), (40, 470936), (43, 438080), (64, 294335), (74, 254560), (80, 235468), (86, 219040), (148, 127280), (160, 117734), (172, 109520), (185, 101824), (215, 87616), (296, 63640), (320, 58867), (344, 54760), (370, 50912), (430, 43808), (592, 31820), (688, 27380), (740, 25456), (860, 21904), (1184, 15910), (1369, 13760), (1376, 13690), (1480, 12728), (1591, 11840), (1720, 10952), (2368, 7955), (2738, 6880), (2752, 6845), (2960, 6364), (3182, 5920), (3440, 5476)]