18559138

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:442

約数の個数: 32

約数和(自身を含む): 32054400

約数和(自身を除く): 13495262

約数列:

[1, 2, 13, 17, 26, 34, 199, 211, 221, 398, 422, 442, 2587, 2743, 3383, 3587, 5174, 5486, 6766, 7174, 41989, 43979, 46631, 83978, 87958, 93262, 545857, 713813, 1091714, 1427626, 9279569, 18559138]

約数ペア:

[(1, 18559138), (2, 9279569), (13, 1427626), (17, 1091714), (26, 713813), (34, 545857), (199, 93262), (211, 87958), (221, 83978), (398, 46631), (422, 43979), (442, 41989), (2587, 7174), (2743, 6766), (3383, 5486), (3587, 5174)]