19815360

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{20641}}^1$

素因数の和:20661

約数の個数: 56

約数和(自身を含む): 62916816

約数和(自身を除く): 43101456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 20641, 41282, 61923, 82564, 103205, 123846, 165128, 206410, 247692, 309615, 330256, 412820, 495384, 619230, 660512, 825640, 990768, 1238460, 1321024, 1651280, 1981536, 2476920, 3302560, 3963072, 4953840, 6605120, 9907680, 19815360]

約数ペア:

[(1, 19815360), (2, 9907680), (3, 6605120), (4, 4953840), (5, 3963072), (6, 3302560), (8, 2476920), (10, 1981536), (12, 1651280), (15, 1321024), (16, 1238460), (20, 990768), (24, 825640), (30, 660512), (32, 619230), (40, 495384), (48, 412820), (60, 330256), (64, 309615), (80, 247692), (96, 206410), (120, 165128), (160, 123846), (192, 103205), (240, 82564), (320, 61923), (480, 41282), (960, 20641)]