1978812

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 5765760

約数和(自身を除く): 3786948

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 57, 66, 76, 99, 114, 132, 171, 198, 209, 228, 263, 342, 396, 418, 526, 627, 684, 789, 836, 1052, 1254, 1578, 1881, 2367, 2508, 2893, 3156, 3762, 4734, 4997, 5786, 7524, 8679, 9468, 9994, 11572, 14991, 17358, 19988, 26037, 29982, 34716, 44973, 52074, 54967, 59964, 89946, 104148, 109934, 164901, 179892, 219868, 329802, 494703, 659604, 989406, 1978812]

約数ペア:

[(1, 1978812), (2, 989406), (3, 659604), (4, 494703), (6, 329802), (9, 219868), (11, 179892), (12, 164901), (18, 109934), (19, 104148), (22, 89946), (33, 59964), (36, 54967), (38, 52074), (44, 44973), (57, 34716), (66, 29982), (76, 26037), (99, 19988), (114, 17358), (132, 14991), (171, 11572), (198, 9994), (209, 9468), (228, 8679), (263, 7524), (342, 5786), (396, 4997), (418, 4734), (526, 3762), (627, 3156), (684, 2893), (789, 2508), (836, 2367), (1052, 1881), (1254, 1578)]