18699170796

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{66841}}^1$

素因数の和:67279

約数の個数: 72

約数和(自身を含む): 49877500400

約数和(自身を除く): 31178329604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 409, 684, 818, 1227, 1636, 2454, 3681, 4908, 7362, 7771, 14724, 15542, 23313, 31084, 46626, 66841, 69939, 93252, 133682, 139878, 200523, 267364, 279756, 401046, 601569, 802092, 1203138, 1269979, 2406276, 2539958, 3809937, 5079916, 7619874, 11429811, 15239748, 22859622, 27337969, 45719244, 54675938, 82013907, 109351876, 164027814, 246041721, 328055628, 492083442, 519421411, 984166884, 1038842822, 1558264233, 2077685644, 3116528466, 4674792699, 6233056932, 9349585398, 18699170796]

約数ペア:

[(1, 18699170796), (2, 9349585398), (3, 6233056932), (4, 4674792699), (6, 3116528466), (9, 2077685644), (12, 1558264233), (18, 1038842822), (19, 984166884), (36, 519421411), (38, 492083442), (57, 328055628), (76, 246041721), (114, 164027814), (171, 109351876), (228, 82013907), (342, 54675938), (409, 45719244), (684, 27337969), (818, 22859622), (1227, 15239748), (1636, 11429811), (2454, 7619874), (3681, 5079916), (4908, 3809937), (7362, 2539958), (7771, 2406276), (14724, 1269979), (15542, 1203138), (23313, 802092), (31084, 601569), (46626, 401046), (66841, 279756), (69939, 267364), (93252, 200523), (133682, 139878)]