18537328

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{269}}^1$

素因数の和:409

約数の個数: 40

約数和(自身を含む): 37162800

約数和(自身を除く): 18625472

約数列:

[1, 2, 4, 8, 16, 59, 73, 118, 146, 236, 269, 292, 472, 538, 584, 944, 1076, 1168, 2152, 4304, 4307, 8614, 15871, 17228, 19637, 31742, 34456, 39274, 63484, 68912, 78548, 126968, 157096, 253936, 314192, 1158583, 2317166, 4634332, 9268664, 18537328]

約数ペア:

[(1, 18537328), (2, 9268664), (4, 4634332), (8, 2317166), (16, 1158583), (59, 314192), (73, 253936), (118, 157096), (146, 126968), (236, 78548), (269, 68912), (292, 63484), (472, 39274), (538, 34456), (584, 31742), (944, 19637), (1076, 17228), (1168, 15871), (2152, 8614), (4304, 4307)]