18860368

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{967}}^1$

素因数の和:1051

約数の個数: 40

約数和(自身を含む): 38890368

約数和(自身を除く): 20030000

約数列:

[1, 2, 4, 8, 16, 23, 46, 53, 92, 106, 184, 212, 368, 424, 848, 967, 1219, 1934, 2438, 3868, 4876, 7736, 9752, 15472, 19504, 22241, 44482, 51251, 88964, 102502, 177928, 205004, 355856, 410008, 820016, 1178773, 2357546, 4715092, 9430184, 18860368]

約数ペア:

[(1, 18860368), (2, 9430184), (4, 4715092), (8, 2357546), (16, 1178773), (23, 820016), (46, 410008), (53, 355856), (92, 205004), (106, 177928), (184, 102502), (212, 88964), (368, 51251), (424, 44482), (848, 22241), (967, 19504), (1219, 15472), (1934, 9752), (2438, 7736), (3868, 4876)]