18490252

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{23}}^1\times {\mathrm{151}}^1$

素因数の和:211

約数の個数: 48

約数和(自身を含む): 37384704

約数和(自身を除く): 18894452

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 121, 151, 242, 253, 302, 484, 506, 604, 1012, 1331, 1661, 2662, 2783, 3322, 3473, 5324, 5566, 6644, 6946, 11132, 13892, 18271, 30613, 36542, 38203, 61226, 73084, 76406, 122452, 152812, 200981, 401962, 420233, 803924, 840466, 1680932, 4622563, 9245126, 18490252]

約数ペア:

[(1, 18490252), (2, 9245126), (4, 4622563), (11, 1680932), (22, 840466), (23, 803924), (44, 420233), (46, 401962), (92, 200981), (121, 152812), (151, 122452), (242, 76406), (253, 73084), (302, 61226), (484, 38203), (506, 36542), (604, 30613), (1012, 18271), (1331, 13892), (1661, 11132), (2662, 6946), (2783, 6644), (3322, 5566), (3473, 5324)]