18783616

素因数分解:

$2^7\times {\mathrm{257}}^1\times {\mathrm{571}}^1$

素因数の和:842

約数の個数: 32

約数和(自身を含む): 37631880

約数和(自身を除く): 18848264

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 257, 514, 571, 1028, 1142, 2056, 2284, 4112, 4568, 8224, 9136, 16448, 18272, 32896, 36544, 73088, 146747, 293494, 586988, 1173976, 2347952, 4695904, 9391808, 18783616]

約数ペア:

[(1, 18783616), (2, 9391808), (4, 4695904), (8, 2347952), (16, 1173976), (32, 586988), (64, 293494), (128, 146747), (257, 73088), (514, 36544), (571, 32896), (1028, 18272), (1142, 16448), (2056, 9136), (2284, 8224), (4112, 4568)]