18860276

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 37739520

約数和(自身を除く): 18879244

約数列:

[1, 2, 4, 17, 23, 31, 34, 46, 62, 68, 92, 124, 389, 391, 527, 713, 778, 782, 1054, 1426, 1556, 1564, 2108, 2852, 6613, 8947, 12059, 12121, 13226, 17894, 24118, 24242, 26452, 35788, 48236, 48484, 152099, 205003, 277357, 304198, 410006, 554714, 608396, 820012, 1109428, 4715069, 9430138, 18860276]

約数ペア:

[(1, 18860276), (2, 9430138), (4, 4715069), (17, 1109428), (23, 820012), (31, 608396), (34, 554714), (46, 410006), (62, 304198), (68, 277357), (92, 205003), (124, 152099), (389, 48484), (391, 48236), (527, 35788), (713, 26452), (778, 24242), (782, 24118), (1054, 17894), (1426, 13226), (1556, 12121), (1564, 12059), (2108, 8947), (2852, 6613)]