18225746

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:120

約数の個数: 72

約数和(自身を含む): 36843660

約数和(自身を除く): 18617914

約数列:

[1, 2, 7, 11, 14, 22, 29, 49, 53, 58, 77, 98, 106, 121, 154, 203, 242, 319, 371, 406, 539, 583, 638, 742, 847, 1078, 1166, 1421, 1537, 1694, 2233, 2597, 2842, 3074, 3509, 4081, 4466, 5194, 5929, 6413, 7018, 8162, 10759, 11858, 12826, 15631, 16907, 21518, 24563, 28567, 31262, 33814, 44891, 49126, 57134, 75313, 89782, 118349, 150626, 171941, 185977, 236698, 314237, 343882, 371954, 628474, 828443, 1301839, 1656886, 2603678, 9112873, 18225746]

約数ペア:

[(1, 18225746), (2, 9112873), (7, 2603678), (11, 1656886), (14, 1301839), (22, 828443), (29, 628474), (49, 371954), (53, 343882), (58, 314237), (77, 236698), (98, 185977), (106, 171941), (121, 150626), (154, 118349), (203, 89782), (242, 75313), (319, 57134), (371, 49126), (406, 44891), (539, 33814), (583, 31262), (638, 28567), (742, 24563), (847, 21518), (1078, 16907), (1166, 15631), (1421, 12826), (1537, 11858), (1694, 10759), (2233, 8162), (2597, 7018), (2842, 6413), (3074, 5929), (3509, 5194), (4081, 4466)]