19848280

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13411}}^1$

素因数の和:13459

約数の個数: 32

約数和(自身を含む): 45869040

約数和(自身を除く): 26020760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 13411, 26822, 53644, 67055, 107288, 134110, 268220, 496207, 536440, 992414, 1984828, 2481035, 3969656, 4962070, 9924140, 19848280]

約数ペア:

[(1, 19848280), (2, 9924140), (4, 4962070), (5, 3969656), (8, 2481035), (10, 1984828), (20, 992414), (37, 536440), (40, 496207), (74, 268220), (148, 134110), (185, 107288), (296, 67055), (370, 53644), (740, 26822), (1480, 13411)]