18540124

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2741}}^1$

素因数の和:2853

約数の個数: 24

約数和(自身を含む): 34549200

約数和(自身を除く): 16009076

約数列:

[1, 2, 4, 19, 38, 76, 89, 178, 356, 1691, 2741, 3382, 5482, 6764, 10964, 52079, 104158, 208316, 243949, 487898, 975796, 4635031, 9270062, 18540124]

約数ペア:

[(1, 18540124), (2, 9270062), (4, 4635031), (19, 975796), (38, 487898), (76, 243949), (89, 208316), (178, 104158), (356, 52079), (1691, 10964), (2741, 6764), (3382, 5482)]