18740992

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{3853}}^1$

素因数の和:3888

約数の個数: 36

約数和(自身を含む): 39387880

約数和(自身を除く): 20646888

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 2432, 3853, 4864, 7706, 15412, 30824, 61648, 73207, 123296, 146414, 246592, 292828, 493184, 585656, 986368, 1171312, 2342624, 4685248, 9370496, 18740992]

約数ペア:

[(1, 18740992), (2, 9370496), (4, 4685248), (8, 2342624), (16, 1171312), (19, 986368), (32, 585656), (38, 493184), (64, 292828), (76, 246592), (128, 146414), (152, 123296), (256, 73207), (304, 61648), (608, 30824), (1216, 15412), (2432, 7706), (3853, 4864)]