18641546

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 38430720

約数和(自身を除く): 19789174

約数列:

[1, 2, 7, 11, 14, 19, 22, 23, 38, 46, 77, 133, 154, 161, 209, 253, 266, 277, 322, 418, 437, 506, 554, 874, 1463, 1771, 1939, 2926, 3047, 3059, 3542, 3878, 4807, 5263, 6094, 6118, 6371, 9614, 10526, 12742, 21329, 33649, 36841, 42658, 44597, 57893, 67298, 70081, 73682, 89194, 115786, 121049, 140162, 242098, 405251, 490567, 810502, 847343, 981134, 1331539, 1694686, 2663078, 9320773, 18641546]

約数ペア:

[(1, 18641546), (2, 9320773), (7, 2663078), (11, 1694686), (14, 1331539), (19, 981134), (22, 847343), (23, 810502), (38, 490567), (46, 405251), (77, 242098), (133, 140162), (154, 121049), (161, 115786), (209, 89194), (253, 73682), (266, 70081), (277, 67298), (322, 57893), (418, 44597), (437, 42658), (506, 36841), (554, 33649), (874, 21329), (1463, 12742), (1771, 10526), (1939, 9614), (2926, 6371), (3047, 6118), (3059, 6094), (3542, 5263), (3878, 4807)]