19851376

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1237}}^1$

素因数の和:1321

約数の個数: 40

約数和(自身を含む): 41448240

約数和(自身を除く): 21596864

約数列:

[1, 2, 4, 8, 16, 17, 34, 59, 68, 118, 136, 236, 272, 472, 944, 1003, 1237, 2006, 2474, 4012, 4948, 8024, 9896, 16048, 19792, 21029, 42058, 72983, 84116, 145966, 168232, 291932, 336464, 583864, 1167728, 1240711, 2481422, 4962844, 9925688, 19851376]

約数ペア:

[(1, 19851376), (2, 9925688), (4, 4962844), (8, 2481422), (16, 1240711), (17, 1167728), (34, 583864), (59, 336464), (68, 291932), (118, 168232), (136, 145966), (236, 84116), (272, 72983), (472, 42058), (944, 21029), (1003, 19792), (1237, 16048), (2006, 9896), (2474, 8024), (4012, 4948)]