18728856

素因数分解:

$2^3\times 3^2\times {\mathrm{269}}^1\times {\mathrm{967}}^1$

素因数の和:1248

約数の個数: 48

約数和(自身を含む): 50965200

約数和(自身を除く): 32236344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 269, 538, 807, 967, 1076, 1614, 1934, 2152, 2421, 2901, 3228, 3868, 4842, 5802, 6456, 7736, 8703, 9684, 11604, 17406, 19368, 23208, 34812, 69624, 260123, 520246, 780369, 1040492, 1560738, 2080984, 2341107, 3121476, 4682214, 6242952, 9364428, 18728856]

約数ペア:

[(1, 18728856), (2, 9364428), (3, 6242952), (4, 4682214), (6, 3121476), (8, 2341107), (9, 2080984), (12, 1560738), (18, 1040492), (24, 780369), (36, 520246), (72, 260123), (269, 69624), (538, 34812), (807, 23208), (967, 19368), (1076, 17406), (1614, 11604), (1934, 9684), (2152, 8703), (2421, 7736), (2901, 6456), (3228, 5802), (3868, 4842)]