18042128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{683}}^1$

素因数の和:831

約数の個数: 40

約数和(自身を含む): 37997568

約数和(自身を除く): 19955440

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 127, 208, 254, 508, 683, 1016, 1366, 1651, 2032, 2732, 3302, 5464, 6604, 8879, 10928, 13208, 17758, 26416, 35516, 71032, 86741, 142064, 173482, 346964, 693928, 1127633, 1387856, 2255266, 4510532, 9021064, 18042128]

約数ペア:

[(1, 18042128), (2, 9021064), (4, 4510532), (8, 2255266), (13, 1387856), (16, 1127633), (26, 693928), (52, 346964), (104, 173482), (127, 142064), (208, 86741), (254, 71032), (508, 35516), (683, 26416), (1016, 17758), (1366, 13208), (1651, 10928), (2032, 8879), (2732, 6604), (3302, 5464)]