18267265808

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{261439}}^1$

素因数の和:261855

約数の個数: 40

約数和(自身を含む): 38707760640

約数和(自身を除く): 20440494832

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 397, 794, 1588, 3176, 4367, 6352, 8734, 17468, 34936, 69872, 261439, 522878, 1045756, 2091512, 2875829, 4183024, 5751658, 11503316, 23006632, 46013264, 103791283, 207582566, 415165132, 830330264, 1141704113, 1660660528, 2283408226, 4566816452, 9133632904, 18267265808]

約数ペア:

[(1, 18267265808), (2, 9133632904), (4, 4566816452), (8, 2283408226), (11, 1660660528), (16, 1141704113), (22, 830330264), (44, 415165132), (88, 207582566), (176, 103791283), (397, 46013264), (794, 23006632), (1588, 11503316), (3176, 5751658), (4367, 4183024), (6352, 2875829), (8734, 2091512), (17468, 1045756), (34936, 522878), (69872, 261439)]