18220188

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6997}}^1$

素因数の和:7042

約数の個数: 48

約数和(自身を含む): 50161664

約数和(自身を除く): 31941476

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 124, 186, 217, 372, 434, 651, 868, 1302, 2604, 6997, 13994, 20991, 27988, 41982, 48979, 83964, 97958, 146937, 195916, 216907, 293874, 433814, 587748, 650721, 867628, 1301442, 1518349, 2602884, 3036698, 4555047, 6073396, 9110094, 18220188]

約数ペア:

[(1, 18220188), (2, 9110094), (3, 6073396), (4, 4555047), (6, 3036698), (7, 2602884), (12, 1518349), (14, 1301442), (21, 867628), (28, 650721), (31, 587748), (42, 433814), (62, 293874), (84, 216907), (93, 195916), (124, 146937), (186, 97958), (217, 83964), (372, 48979), (434, 41982), (651, 27988), (868, 20991), (1302, 13994), (2604, 6997)]