18899055

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{2857}}^1$

素因数の和:2885

約数の個数: 48

約数和(自身を含む): 39097440

約数和(自身を除く): 20198385

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 441, 735, 945, 1323, 2205, 2857, 6615, 8571, 14285, 19999, 25713, 42855, 59997, 77139, 99995, 128565, 139993, 179991, 299985, 385695, 419979, 539973, 699965, 899955, 1259937, 2099895, 2699865, 3779811, 6299685, 18899055]

約数ペア:

[(1, 18899055), (3, 6299685), (5, 3779811), (7, 2699865), (9, 2099895), (15, 1259937), (21, 899955), (27, 699965), (35, 539973), (45, 419979), (49, 385695), (63, 299985), (105, 179991), (135, 139993), (147, 128565), (189, 99995), (245, 77139), (315, 59997), (441, 42855), (735, 25713), (945, 19999), (1323, 14285), (2205, 8571), (2857, 6615)]