19016296

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2203}}^1$

素因数の和:2305

約数の個数: 32

約数和(自身を含む): 38878560

約数和(自身を除く): 19862264

約数列:

[1, 2, 4, 8, 13, 26, 52, 83, 104, 166, 332, 664, 1079, 2158, 2203, 4316, 4406, 8632, 8812, 17624, 28639, 57278, 114556, 182849, 229112, 365698, 731396, 1462792, 2377037, 4754074, 9508148, 19016296]

約数ペア:

[(1, 19016296), (2, 9508148), (4, 4754074), (8, 2377037), (13, 1462792), (26, 731396), (52, 365698), (83, 229112), (104, 182849), (166, 114556), (332, 57278), (664, 28639), (1079, 17624), (2158, 8812), (2203, 8632), (4316, 4406)]