18973568

素因数分解:

$2^7\times {\mathrm{227}}^1\times {\mathrm{653}}^1$

素因数の和:894

約数の個数: 32

約数和(自身を含む): 38023560

約数和(自身を除く): 19049992

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 227, 454, 653, 908, 1306, 1816, 2612, 3632, 5224, 7264, 10448, 14528, 20896, 29056, 41792, 83584, 148231, 296462, 592924, 1185848, 2371696, 4743392, 9486784, 18973568]

約数ペア:

[(1, 18973568), (2, 9486784), (4, 4743392), (8, 2371696), (16, 1185848), (32, 592924), (64, 296462), (128, 148231), (227, 83584), (454, 41792), (653, 29056), (908, 20896), (1306, 14528), (1816, 10448), (2612, 7264), (3632, 5224)]