18889470

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1627}}^1$

素因数の和:1686

約数の個数: 64

約数和(自身を含む): 51575040

約数和(自身を除く): 32685570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 43, 45, 54, 86, 90, 129, 135, 215, 258, 270, 387, 430, 645, 774, 1161, 1290, 1627, 1935, 2322, 3254, 3870, 4881, 5805, 8135, 9762, 11610, 14643, 16270, 24405, 29286, 43929, 48810, 69961, 73215, 87858, 139922, 146430, 209883, 219645, 349805, 419766, 439290, 629649, 699610, 1049415, 1259298, 1888947, 2098830, 3148245, 3777894, 6296490, 9444735, 18889470]

約数ペア:

[(1, 18889470), (2, 9444735), (3, 6296490), (5, 3777894), (6, 3148245), (9, 2098830), (10, 1888947), (15, 1259298), (18, 1049415), (27, 699610), (30, 629649), (43, 439290), (45, 419766), (54, 349805), (86, 219645), (90, 209883), (129, 146430), (135, 139922), (215, 87858), (258, 73215), (270, 69961), (387, 48810), (430, 43929), (645, 29286), (774, 24405), (1161, 16270), (1290, 14643), (1627, 11610), (1935, 9762), (2322, 8135), (3254, 5805), (3870, 4881)]