18270288

素因数分解:

$2^4\times 3^2\times {\mathrm{71}}^1\times {\mathrm{1787}}^1$

素因数の和:1872

約数の個数: 60

約数和(自身を含む): 51880608

約数和(自身を除く): 33610320

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 71, 72, 142, 144, 213, 284, 426, 568, 639, 852, 1136, 1278, 1704, 1787, 2556, 3408, 3574, 5112, 5361, 7148, 10224, 10722, 14296, 16083, 21444, 28592, 32166, 42888, 64332, 85776, 126877, 128664, 253754, 257328, 380631, 507508, 761262, 1015016, 1141893, 1522524, 2030032, 2283786, 3045048, 4567572, 6090096, 9135144, 18270288]

約数ペア:

[(1, 18270288), (2, 9135144), (3, 6090096), (4, 4567572), (6, 3045048), (8, 2283786), (9, 2030032), (12, 1522524), (16, 1141893), (18, 1015016), (24, 761262), (36, 507508), (48, 380631), (71, 257328), (72, 253754), (142, 128664), (144, 126877), (213, 85776), (284, 64332), (426, 42888), (568, 32166), (639, 28592), (852, 21444), (1136, 16083), (1278, 14296), (1704, 10722), (1787, 10224), (2556, 7148), (3408, 5361), (3574, 5112)]