18345856

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{8431}}^1$

素因数の和:8462

約数の個数: 32

約数和(自身を含む): 38702880

約数和(自身を除く): 20357024

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 8431, 16862, 33724, 67448, 134896, 143327, 269792, 286654, 539584, 573308, 1079168, 1146616, 2293232, 4586464, 9172928, 18345856]

約数ペア:

[(1, 18345856), (2, 9172928), (4, 4586464), (8, 2293232), (16, 1146616), (17, 1079168), (32, 573308), (34, 539584), (64, 286654), (68, 269792), (128, 143327), (136, 134896), (272, 67448), (544, 33724), (1088, 16862), (2176, 8431)]