18889740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{34981}}^1$

素因数の和:34999

約数の個数: 48

約数和(自身を含む): 58769760

約数和(自身を除く): 39880020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 34981, 69962, 104943, 139924, 174905, 209886, 314829, 349810, 419772, 524715, 629658, 699620, 944487, 1049430, 1259316, 1574145, 1888974, 2098860, 3148290, 3777948, 4722435, 6296580, 9444870, 18889740]

約数ペア:

[(1, 18889740), (2, 9444870), (3, 6296580), (4, 4722435), (5, 3777948), (6, 3148290), (9, 2098860), (10, 1888974), (12, 1574145), (15, 1259316), (18, 1049430), (20, 944487), (27, 699620), (30, 629658), (36, 524715), (45, 419772), (54, 349810), (60, 314829), (90, 209886), (108, 174905), (135, 139924), (180, 104943), (270, 69962), (540, 34981)]