18557148

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{409}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 45920000

約数和(自身を除く): 27362852

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 199, 228, 398, 409, 597, 796, 818, 1194, 1227, 1636, 2388, 2454, 3781, 4908, 7562, 7771, 11343, 15124, 15542, 22686, 23313, 31084, 45372, 46626, 81391, 93252, 162782, 244173, 325564, 488346, 976692, 1546429, 3092858, 4639287, 6185716, 9278574, 18557148]

約数ペア:

[(1, 18557148), (2, 9278574), (3, 6185716), (4, 4639287), (6, 3092858), (12, 1546429), (19, 976692), (38, 488346), (57, 325564), (76, 244173), (114, 162782), (199, 93252), (228, 81391), (398, 46626), (409, 45372), (597, 31084), (796, 23313), (818, 22686), (1194, 15542), (1227, 15124), (1636, 11343), (2388, 7771), (2454, 7562), (3781, 4908)]