18840932

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{727}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 39137280

約数和(自身を除く): 20296348

約数列:

[1, 2, 4, 11, 19, 22, 31, 38, 44, 62, 76, 124, 209, 341, 418, 589, 682, 727, 836, 1178, 1364, 1454, 2356, 2908, 6479, 7997, 12958, 13813, 15994, 22537, 25916, 27626, 31988, 45074, 55252, 90148, 151943, 247907, 303886, 428203, 495814, 607772, 856406, 991628, 1712812, 4710233, 9420466, 18840932]

約数ペア:

[(1, 18840932), (2, 9420466), (4, 4710233), (11, 1712812), (19, 991628), (22, 856406), (31, 607772), (38, 495814), (44, 428203), (62, 303886), (76, 247907), (124, 151943), (209, 90148), (341, 55252), (418, 45074), (589, 31988), (682, 27626), (727, 25916), (836, 22537), (1178, 15994), (1364, 13813), (1454, 12958), (2356, 7997), (2908, 6479)]