18754816

素因数分解:

$2^8\times {\mathrm{61}}^1\times {\mathrm{1201}}^1$

素因数の和:1278

約数の個数: 36

約数和(自身を含む): 38081764

約数和(自身を除く): 19326948

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 256, 488, 976, 1201, 1952, 2402, 3904, 4804, 7808, 9608, 15616, 19216, 38432, 73261, 76864, 146522, 153728, 293044, 307456, 586088, 1172176, 2344352, 4688704, 9377408, 18754816]

約数ペア:

[(1, 18754816), (2, 9377408), (4, 4688704), (8, 2344352), (16, 1172176), (32, 586088), (61, 307456), (64, 293044), (122, 153728), (128, 146522), (244, 76864), (256, 73261), (488, 38432), (976, 19216), (1201, 15616), (1952, 9608), (2402, 7808), (3904, 4804)]