18840030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1543}}^1$

素因数の和:1601

約数の個数: 64

約数和(自身を含む): 50692608

約数和(自身を除く): 31852578

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 37, 55, 66, 74, 110, 111, 165, 185, 222, 330, 370, 407, 555, 814, 1110, 1221, 1543, 2035, 2442, 3086, 4070, 4629, 6105, 7715, 9258, 12210, 15430, 16973, 23145, 33946, 46290, 50919, 57091, 84865, 101838, 114182, 169730, 171273, 254595, 285455, 342546, 509190, 570910, 628001, 856365, 1256002, 1712730, 1884003, 3140005, 3768006, 6280010, 9420015, 18840030]

約数ペア:

[(1, 18840030), (2, 9420015), (3, 6280010), (5, 3768006), (6, 3140005), (10, 1884003), (11, 1712730), (15, 1256002), (22, 856365), (30, 628001), (33, 570910), (37, 509190), (55, 342546), (66, 285455), (74, 254595), (110, 171273), (111, 169730), (165, 114182), (185, 101838), (222, 84865), (330, 57091), (370, 50919), (407, 46290), (555, 33946), (814, 23145), (1110, 16973), (1221, 15430), (1543, 12210), (2035, 9258), (2442, 7715), (3086, 6105), (4070, 4629)]