18477738

素因数分解:

$2^1\times 3^2\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:331

約数の個数: 48

約数和(自身を含む): 41333760

約数和(自身を除く): 22856022

約数列:

[1, 2, 3, 6, 9, 18, 59, 118, 127, 137, 177, 254, 274, 354, 381, 411, 531, 762, 822, 1062, 1143, 1233, 2286, 2466, 7493, 8083, 14986, 16166, 17399, 22479, 24249, 34798, 44958, 48498, 52197, 67437, 72747, 104394, 134874, 145494, 156591, 313182, 1026541, 2053082, 3079623, 6159246, 9238869, 18477738]

約数ペア:

[(1, 18477738), (2, 9238869), (3, 6159246), (6, 3079623), (9, 2053082), (18, 1026541), (59, 313182), (118, 156591), (127, 145494), (137, 134874), (177, 104394), (254, 72747), (274, 67437), (354, 52197), (381, 48498), (411, 44958), (531, 34798), (762, 24249), (822, 22479), (1062, 17399), (1143, 16166), (1233, 14986), (2286, 8083), (2466, 7493)]