18108896

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{431}}^1$

素因数の和:555

約数の個数: 48

約数和(自身を含む): 38864448

約数和(自身を除く): 20755552

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 101, 104, 202, 208, 404, 416, 431, 808, 862, 1313, 1616, 1724, 2626, 3232, 3448, 5252, 5603, 6896, 10504, 11206, 13792, 21008, 22412, 42016, 43531, 44824, 87062, 89648, 174124, 179296, 348248, 565903, 696496, 1131806, 1392992, 2263612, 4527224, 9054448, 18108896]

約数ペア:

[(1, 18108896), (2, 9054448), (4, 4527224), (8, 2263612), (13, 1392992), (16, 1131806), (26, 696496), (32, 565903), (52, 348248), (101, 179296), (104, 174124), (202, 89648), (208, 87062), (404, 44824), (416, 43531), (431, 42016), (808, 22412), (862, 21008), (1313, 13792), (1616, 11206), (1724, 10504), (2626, 6896), (3232, 5603), (3448, 5252)]