18580364

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 37116576

約数和(自身を除く): 18536212

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 101, 113, 148, 202, 226, 404, 407, 452, 814, 1111, 1243, 1628, 2222, 2486, 3737, 4181, 4444, 4972, 7474, 8362, 11413, 14948, 16724, 22826, 41107, 45652, 45991, 82214, 91982, 125543, 164428, 183964, 251086, 422281, 502172, 844562, 1689124, 4645091, 9290182, 18580364]

約数ペア:

[(1, 18580364), (2, 9290182), (4, 4645091), (11, 1689124), (22, 844562), (37, 502172), (44, 422281), (74, 251086), (101, 183964), (113, 164428), (148, 125543), (202, 91982), (226, 82214), (404, 45991), (407, 45652), (452, 41107), (814, 22826), (1111, 16724), (1243, 14948), (1628, 11413), (2222, 8362), (2486, 7474), (3737, 4972), (4181, 4444)]