19178752

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{3943}}^1$

素因数の和:3978

約数の個数: 36

約数和(自身を含む): 40307680

約数和(自身を除く): 21128928

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 2432, 3943, 4864, 7886, 15772, 31544, 63088, 74917, 126176, 149834, 252352, 299668, 504704, 599336, 1009408, 1198672, 2397344, 4794688, 9589376, 19178752]

約数ペア:

[(1, 19178752), (2, 9589376), (4, 4794688), (8, 2397344), (16, 1198672), (19, 1009408), (32, 599336), (38, 504704), (64, 299668), (76, 252352), (128, 149834), (152, 126176), (256, 74917), (304, 63088), (608, 31544), (1216, 15772), (2432, 7886), (3943, 4864)]